Environmental recovery company RexChem Partners plans to finance a site reclamation project that will require a $4-$year cleanup period. If the company borrows $$4\mathrm{.}1$ million now, how much will the company have to get at the end of each quarter in order to earn $15\%$ per year, compounded monthly on its investment? Calculate the answer using both formula and spreadsheet function?

In order to earn $15\%$ per year compounded monthly on its investment at the end of each quarter, the company will have to get $