An investor made a $3000 investment. In the first year, she earned a rate of return of 40% on her investment. In her second year, she lost 10% on her investment. At the end of her second year, her investment was worth ______ Her true annual average rate of return (% to 2 decimal places) over this 2-year period was ______
after first year :
total = $3000*(1+return)
= $3000*(1 + 40%)
= $3000*(1 + 0.40)
= $4200
after second year :
total = (total after 1st year)*(1 + return)
= $4200 * (1 + (-10%))
= $4200 * (1 + (-0.10))
= $ 3780
therefore at the end of second year, total worth of investment = $3780
true annual average rate of return = [ (investment worth after 2 years - investment) / (investment) ]*100% * (1/no. of years)
= [ (3780-3000)/3000 ]*100 % * (1/2)
= 26% * (1/2)
= 13%
true annual average rate of return is 13%
(PLEASE UPVOTE)
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