Merritt Manufacturing needs to accumulate $15 million to retire a bond issue that matures in 12 years. The firm's manufacturing division can contribute 100,000$ per quarter to an account that will pay 2% quarterly. How much will the remaining divisions have to contribute every month to a second account that pays .5% per month in order to reach the 15$ million goal?
a) 47,615.82
b) 70,646.50
c) 33,627.73
d) 84,029.15
Show work please