Answer:A) 5.01% B)5.79% C.8.05% D)10.60%
Explanation:
Using the formula
FV = PV (1 + r)ⁿ
where
PV=present value
r=interest rate
n =number of periods/ years
FV = future value.
Making r= interest rate the subject formula to solve .
FV = PV (1 + r)ⁿ
(FV/PV)^ 1/n - 1 = r
A)( 231/190)^(1/4) -1
( 231/190)^ 0.25 -1
1.21578947^0.25 -1
1.05006116 -1
0.05006116 X 100
5.01%
B)( 854/310)^ (1/18) -1
( 854/310)^ 0.0555 -1
2.75483871^0.0555 -1
1.05785304 -1
0.05785304 X 100
5.79%
C)( 148,042/34,000)^ (1/19) -1
( 148,042/34,000)^ 0.0526 -1
4.35417647^0.0526 -1
1.08045444-1
0.08045444 X 100
8.05%
D)( 412,862/33,261)^ (1/25) -1
( 412,862/33,261)^ 0.04 -1
12.4127958^0.04 -1
1.10599913 -1
0.10599913X 100
10.60%