Using IF and VLOOKUP functions, write a formula in cell H24 to find the spot server's discount rate. For on-demand servers, the discount rate is 0%. Copy the formula to H25 to H41.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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(c) Using IF and VLOOKUP functions, write a formula in cell H24 to find the spot server's discount rate. For on-demand servers, the discount rate is 0%. Copy the formula to H25 to H41.

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1 2020 cyber week (during the thanksgiving period) saw a spike in e-commerce sales throughout the USA. A2Z eCommerz LLC website and app also witnessed a surge in traffic.
During the cyber week, the IT team rented some temporary servers. Two types of servers were rented, (i) On-demand servers and (ii) Spot servers.
Spot servers are idle servers in the cloud service provider's inventory, and they come at a discounted rate.
However, you can not use spot servers for the long term because when the provider's idle server inventory reduces, some of the spot servers may be terminated.
Hence, there is a termination risk in using spot servers. However, on-demand servers can't be terminated by the provider.
2
3 The servers are available in different sizes, but the firm rented only Small, Medium, and Large servers.
4 Table 8 has the pricing and spot server discounts for the servers of various sizes. Table 10 has details on the servers which the firm rented.
5 (a) Write a formula in cell F24 to compute the # of hours the firm rented the server. The number of hours rented = (Returned Date & Time - Rented Date and Time) * 24. Copy the formula to F25 to
(b) Using VLOOKUP, write a formula in cell G24 to find the rate per hour from Table 8 for the given server size. Copy the formula to G25 to G41.
6
7 (c) Using IF and VLOOKUP functions, write a formula in cell H24 to find the spot server's discount rate. For on-demand servers, the discount rate is 0%. Copy the formula to H25 to H41.
Weite femula in coll 124 + Se the disco amount on the conos
7
8 (d) Write a formula in cell 124 to compute the discount amount on the server Discount Amount- Percent Discount Rate per hour. Copy the formula to 125 to 141.
9 (e) Write a formula in cell J24 to compute the rate per hour after the discount. Rate per hour after discount = Rate per hour - Discount Amount. Copy the formula from J25 to J41.
10 (f) Write a formula in cell K24 to compute the Total cost for the given server. Total Cost = Rate per hour after discount * # of hours Rented. Copy the formula from K25 to K41.
11 (g) Write a formula in cell G17 to compute the average hours Rented. Average hours rented is the average of the # of hours Rented (F24:F41).
12 (h) Write a formula in cell G18 to calculate the average total cost. The average total cost is the average of the total cost (K24:K41).
13 (i) Using the IF function, write a formula in cell L24 to determine if the number of hours rented for the given server is more than the average. Copy the formula from K25 to K41.
14 (j) Using the IF function, write a formula in cell M24 to determine if the number of hours rented for the given server is more than the average. Copy the formula to M25 to M41.
15
16
17
18
19
20
21
Server Size
1 Small
2 Medium
3 Large
Table 8
On-Demand
Instance
Hourly Rate
$0.33280
$0.66560
$1.33120
Discount for Spot
Servers
20%
30%
40%
Table 9
K
Average Hours
Rented
Average Total
Cost
$68.66667
M
N
C
Transcribed Image Text:A B с D E F G H I J L 1 2020 cyber week (during the thanksgiving period) saw a spike in e-commerce sales throughout the USA. A2Z eCommerz LLC website and app also witnessed a surge in traffic. During the cyber week, the IT team rented some temporary servers. Two types of servers were rented, (i) On-demand servers and (ii) Spot servers. Spot servers are idle servers in the cloud service provider's inventory, and they come at a discounted rate. However, you can not use spot servers for the long term because when the provider's idle server inventory reduces, some of the spot servers may be terminated. Hence, there is a termination risk in using spot servers. However, on-demand servers can't be terminated by the provider. 2 3 The servers are available in different sizes, but the firm rented only Small, Medium, and Large servers. 4 Table 8 has the pricing and spot server discounts for the servers of various sizes. Table 10 has details on the servers which the firm rented. 5 (a) Write a formula in cell F24 to compute the # of hours the firm rented the server. The number of hours rented = (Returned Date & Time - Rented Date and Time) * 24. Copy the formula to F25 to (b) Using VLOOKUP, write a formula in cell G24 to find the rate per hour from Table 8 for the given server size. Copy the formula to G25 to G41. 6 7 (c) Using IF and VLOOKUP functions, write a formula in cell H24 to find the spot server's discount rate. For on-demand servers, the discount rate is 0%. Copy the formula to H25 to H41. Weite femula in coll 124 + Se the disco amount on the conos 7 8 (d) Write a formula in cell 124 to compute the discount amount on the server Discount Amount- Percent Discount Rate per hour. Copy the formula to 125 to 141. 9 (e) Write a formula in cell J24 to compute the rate per hour after the discount. Rate per hour after discount = Rate per hour - Discount Amount. Copy the formula from J25 to J41. 10 (f) Write a formula in cell K24 to compute the Total cost for the given server. Total Cost = Rate per hour after discount * # of hours Rented. Copy the formula from K25 to K41. 11 (g) Write a formula in cell G17 to compute the average hours Rented. Average hours rented is the average of the # of hours Rented (F24:F41). 12 (h) Write a formula in cell G18 to calculate the average total cost. The average total cost is the average of the total cost (K24:K41). 13 (i) Using the IF function, write a formula in cell L24 to determine if the number of hours rented for the given server is more than the average. Copy the formula from K25 to K41. 14 (j) Using the IF function, write a formula in cell M24 to determine if the number of hours rented for the given server is more than the average. Copy the formula to M25 to M41. 15 16 17 18 19 20 21 Server Size 1 Small 2 Medium 3 Large Table 8 On-Demand Instance Hourly Rate $0.33280 $0.66560 $1.33120 Discount for Spot Servers 20% 30% 40% Table 9 K Average Hours Rented Average Total Cost $68.66667 M N C
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24
25
26
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30
=
31
2
32
33
2
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2
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2
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2
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41
42
A
2 micutum
3 Large
Server
ID
Server Size
Medium
2 Large
3 Large
4 Large
cors
B
5 Large
conse
6 Large
Semes
7 Small
a small
8 Small
xeman
9 Large
10 Medium
Expencere
Large
cors
11
12 Small
ejeman
13 Small
14 Small
15 Medium
16 Large
17 Medium
18 Large
с
Server Type
Spot
0.00300
$1.33120
Spot
Spot
On-Demand
Spot
papes
pe
On-Demand
B
On-Demand
pore
Spot
spot
Spot
pr
B
fe
Spot
spos
Spot
On-Demand
Spot
On-Demand
Spot
On-Demand
On-Demand
On-Demand
D
3070
40%
Rented
Date & Time
11/25/2020 2:00
11/25/2020 9:00
11/25/2020 17:00
11/25/2020 21:00
44/26/2030 6.00
11/26/2020 9:00
11/26/2020 11:00
**/60/600 **
11/26/2020 16:00
11/26/2020 23:00
11/27/2020 1:00
11/27/2020 23:00
11/27/2020 20:00
11/28/2020 1:00
**/60/200
11/28/2020 2:00
**/60/60606000
11/28/2020 3:00
11/28/2020 9:00
11/28/2020 11:00
11/28/2020 16:00
11/28/2020 16:00
11/28/2020 16:00
E
Returned
Date & Time
11/26/2020 9:00
11/27/2020 1:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
22/09/
11/30/2020 13:00
/*
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
22/09/
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
11/30/2020 13:00
F
# of hours
Rented
Table 10
31 $
40 $
116 $
112 $
100 $
98 $
93 $
86 $
P
84 $
Se
62 $
60 $
59 $
¥
58 $
52 $
50 $
45 $
45 $
45 $
G
Rate per
hour
0.66560
1.33120
1.33120
1.33120
1.33120
1.33120
0.33280
www
0.33280
www
1.33120
0.66560
0.00300
1.33120
www.co
0.33280
wwwwww
0.33280
wwwwww
0.33280
0.66560
1.33120
0.66560
1.33120
H
Percent
Discount
Discount
Amount
Rate per hour
after discount
K
Total
Cost
Is number of hours
rented more than
average?
M
Is cost more
than the
average
cost?
N
Transcribed Image Text:17 20 21 22 23 24 25 26 27 28 29 30 = 31 2 32 33 2 34 2 35 2 36 2 37 38 39 40 41 42 A 2 micutum 3 Large Server ID Server Size Medium 2 Large 3 Large 4 Large cors B 5 Large conse 6 Large Semes 7 Small a small 8 Small xeman 9 Large 10 Medium Expencere Large cors 11 12 Small ejeman 13 Small 14 Small 15 Medium 16 Large 17 Medium 18 Large с Server Type Spot 0.00300 $1.33120 Spot Spot On-Demand Spot papes pe On-Demand B On-Demand pore Spot spot Spot pr B fe Spot spos Spot On-Demand Spot On-Demand Spot On-Demand On-Demand On-Demand D 3070 40% Rented Date & Time 11/25/2020 2:00 11/25/2020 9:00 11/25/2020 17:00 11/25/2020 21:00 44/26/2030 6.00 11/26/2020 9:00 11/26/2020 11:00 **/60/600 ** 11/26/2020 16:00 11/26/2020 23:00 11/27/2020 1:00 11/27/2020 23:00 11/27/2020 20:00 11/28/2020 1:00 **/60/200 11/28/2020 2:00 **/60/60606000 11/28/2020 3:00 11/28/2020 9:00 11/28/2020 11:00 11/28/2020 16:00 11/28/2020 16:00 11/28/2020 16:00 E Returned Date & Time 11/26/2020 9:00 11/27/2020 1:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 22/09/ 11/30/2020 13:00 /* 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 22/09/ 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 11/30/2020 13:00 F # of hours Rented Table 10 31 $ 40 $ 116 $ 112 $ 100 $ 98 $ 93 $ 86 $ P 84 $ Se 62 $ 60 $ 59 $ ¥ 58 $ 52 $ 50 $ 45 $ 45 $ 45 $ G Rate per hour 0.66560 1.33120 1.33120 1.33120 1.33120 1.33120 0.33280 www 0.33280 www 1.33120 0.66560 0.00300 1.33120 www.co 0.33280 wwwwww 0.33280 wwwwww 0.33280 0.66560 1.33120 0.66560 1.33120 H Percent Discount Discount Amount Rate per hour after discount K Total Cost Is number of hours rented more than average? M Is cost more than the average cost? N
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