You save $8,500.00. your original plan was to place 40% in a savings account earning a 4.2% apr compounded annually and the rest in a stock plan that decreases 3% in the first year and increases 7.5% in the second year. if you had invested 60% in the savings account and the rest in the stock plan, what is the difference in the total gain compared to the original plan?

a. $75.99

b. $85.25

c. $81.91

d. $73.12