Answer: (C) earning potential of savings
Step-by-step explanation:
The rate of return on the savings is basically refers to the individual earning potential of the savings.
The rate of return is the amount of the gain from the initial investment and the saving return average amount become 0.06% annually in the year 2013. In the saving account, the rate of the return is basically known as yield.
Over the period of the time, we focus only on the actual return in the form of rate. Therefore, Option (C) is correct.