A project has the following estimated data: price $=$ $$104\mathrm{.}00$ per unit; variable costs $=$ $$60\mathrm{.}50$ per unit; fixed costs $=$ $$37,500\mathrm{.}00$; required return $=8\%$; initial investment $=$ $$39,600\mathrm{.}00$; life $=6$ years. What is the degree of operating leverage at the financial break$-$even level of output? a$)4\mathrm{.}38$ b$)7\mathrm{.}38$ c$)6\mathrm{.}38$ d$)3\mathrm{.}38$ e$)5\mathrm{.}38$