simon invests $7000 into an account that earns 0.4% simple interest annually. which statement best describes the relationship between the number of years simon has his money invested and the account balance in any year? a. the relationship is exponential. the ratio of his account balance any year to the previous year is 1.004.b. the relationship is linear. his account increases each year by a constant value of $280. c. the relationship is exponential. the ratio of his account balance any year to the previous year is 0.004. d. the relationship is linear. his account increases each year by a constant value of $28.