Niagara Vineyards borrowed $$75,000$ to update their bottling equipment. They agreed to make payments of $$6000$ at the end of every three months. If interest is $7\mathrm{.}31\%$ compounded quarterly, how long will the company have to make the payments?

a$)10$ years

b$)15$ years

c$)12$ years

d$)17$ years