Capitalized Cost In Exercises 77 and 78, find the capitalizedcost C of an asset (a) for n = 5 years, (b) for n = 10 years, and(c) forever. The capitalized cost is given by C = C 0 + ∫ 0 n c ( t ) e − r t d t where C 0 is the original investment, t is the time in years, r isthe annual interest rate compounded continuously, and c(t) isthe annual cost of maintenance. C 0 = $ 700 , 000 c ( t ) = $ 25 , 000 ( 1 + 0.08 t ) r = 0.06
Capitalized Cost In Exercises 77 and 78, find the capitalizedcost C of an asset (a) for n = 5 years, (b) for n = 10 years, and(c) forever. The capitalized cost is given by C = C 0 + ∫ 0 n c ( t ) e − r t d t where C 0 is the original investment, t is the time in years, r isthe annual interest rate compounded continuously, and c(t) isthe annual cost of maintenance. C 0 = $ 700 , 000 c ( t ) = $ 25 , 000 ( 1 + 0.08 t ) r = 0.06
Solution Summary: The author explains how to calculate the capitalized cost C of an asset for 5 years.
Capitalized Cost In Exercises 77 and 78, find the capitalizedcost C of an asset (a) for
n
=
5
years, (b) for
n
=
10
years, and(c) forever. The capitalized cost is given by
C
=
C
0
+
∫
0
n
c
(
t
)
e
−
r
t
d
t
where
C
0
is the original investment, t is the time in years, r isthe annual interest rate compounded continuously, and c(t) isthe annual cost of maintenance.
C
0
=
$
700
,
000
c
(
t
)
=
$
25
,
000
(
1
+
0.08
t
)
r
=
0.06
A tank holds a 135 gal solution of water and salt. Initially, the solution contains 21 lb of salt. A salt solution with a concentration of 3 lb of salt per gal begins flowing into the tank at the rate of 3 gal per
minute. The solution in the tank also begins flowing out at a rate of 3 gal per minute. Let y be the amount of salt present in the tank at time t.
(a) Find an expression for the amount of salt in the tank at any time.
(b) How much salt is present after 51 minutes?
(c) As time increases, what happens to the salt concentration?
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