Assume that a firm is investing at a fixed 8.5% for the next 30 years. How much would you have to save each month for the next 30 years to have the $ 105,500,000 they would need to pay the principal on a bond issue? Oa. $ 70,778 Ob. $ 70,788 OC $ 52,391 Od. $ 63,912 e. $ 69,534