Answer:
annual rate of return = 10.67 %
time required for investment double = 9.60 years
Explanation:
given data
investment doubles = 6
year
annual rate = 7.50%
solution
we get here annual rate of return by rule no 72 that is
investment doubles =
........1
put here value
annual rate of return =
annual rate of return = 10.67 %
so time required for investment double by rule 72
time required for double investment = 
so time required for investment double = 9.60 years
Answer:
A. 22.4%
Explanation:
Income TAXES
Operating profit before interest and tax $ 519.233
Net nonoperating expense before tax -$ 109.491
Subtotal $ 409.742
Provision for income taxes -$ 91.720 -22,4%
Net Income $ 318.022
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