For each of the investments below, calculate the rate of return earned over the period.

Investment	Cash Flow During Period	Beginning-of-Period Value	End-of-Period Value
A	$900	$1,300	$400
B	12,000	180,000	118,000
C	9,000	50,000	45,000
D	100	600	100
E	1,500	12,000	13,000

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Part 1

The rate of return on Investment A is%.

(Round to two decimal places.)