Answer:
0.2571 or 25.71%
Step-by-step explanation:
In this case, even though the initial amount invested is not given, it can be found by subtracting the amount by which the investment appreciated of the year-end value:
![A = \$1,300 - \$250\\A = \$1,050](https://img.qammunity.org/2020/formulas/business/college/e092nq8x5jjp7kdjj2as3q03bl7vhboiay.png)
The return rate is given by the interest payed added to the amount appreciated, divided by the initial investment:
![r=(\$250+\$20)/(\$1,050) \\r=0.2571= 25.71\%](https://img.qammunity.org/2020/formulas/business/college/h0jf0hss4lfn80gjzpsqm31sbzugfm3t7o.png)
The customer's total return is 0.2571 or 25.71%