Answer:
Option: b is the correct answer.
b. $ 196.00
Explanation:
The principal amount is given by: P=$ 800
The rate of interest is given by: R=3.5%
The time period is given by: T=7 years.
We know that the simple interest(S.I.) on a principal amount P at some rate of interest R and for a time period T is calculated by the formula:

Hence, we get:

The amount of interest earned in the following simple interest problem is:
b. $ 196.00