4. Using the least square method, what is the estimated variable cost per labor hour 5. If the company will use 230 labor hours in July, what would be the estimated variable cost per labor hour for maintenance using Hi-Lo method. 6. What is the estimated fixed cost per month for maintenance if least square method is used?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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problem 4 5 and 6 only

DoKnow Co. like to estimate the variable and fixed cost components of its
maintenance cost and has compiled the following data for the last 6 months of
operation:
January
February
March
April
May
June
Labor hours Maintenance cost
P6,170
5,530
5,230
5,960
190
130
110
180
190
110
6,230
5,320
Answer the following. Show solutions. All answers in two decimal places.
1. Compute for the summation of XY.
2. Compute for the summation of X squared.
3. Using Hi-Lo method, what is the estimated fixed cost per month for maintenance
4. Using the least square method, what is the estimated variable cost per labor hour.
5. If the company will use 230 labor hours in July, what would be the estimated
variable cost per labor hour for maintenance using Hi-Lo method.
6. What is the estimated fixed cost per month for maintenance if least square
method is used?
7. If the company will use 230 hours labor hours in July, what would be the total
predicted cost of maintenance?
8. How much is the total variable cost of maintenance if least square method is used
assuming 150 labor hours is consumed in July?
9. What is the predicted cost of Maintenance for the nonth of July assuming 150
labor hours are consumed if least square method is used.
Transcribed Image Text:DoKnow Co. like to estimate the variable and fixed cost components of its maintenance cost and has compiled the following data for the last 6 months of operation: January February March April May June Labor hours Maintenance cost P6,170 5,530 5,230 5,960 190 130 110 180 190 110 6,230 5,320 Answer the following. Show solutions. All answers in two decimal places. 1. Compute for the summation of XY. 2. Compute for the summation of X squared. 3. Using Hi-Lo method, what is the estimated fixed cost per month for maintenance 4. Using the least square method, what is the estimated variable cost per labor hour. 5. If the company will use 230 labor hours in July, what would be the estimated variable cost per labor hour for maintenance using Hi-Lo method. 6. What is the estimated fixed cost per month for maintenance if least square method is used? 7. If the company will use 230 hours labor hours in July, what would be the total predicted cost of maintenance? 8. How much is the total variable cost of maintenance if least square method is used assuming 150 labor hours is consumed in July? 9. What is the predicted cost of Maintenance for the nonth of July assuming 150 labor hours are consumed if least square method is used.
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