Answer:
-0.0246 or -2.46%
Step-by-step explanation:
The duration 't' of his investment is:
The future value ($10,668,500) of an initial investment ($12,700,500) at a rate 'r' for a period of 7 years is given by:
His annual rate of return was -0.0246 or -2.46%.
*A negative rate of return means that money was lost in this investment