$4.$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 retum $=8\%$

;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$)6\mathrm{.}38$b$)4\mathrm{.}38$c$)7\mathrm{.}38$d$)5\mathrm{.}38$e$)3\mathrm{.}38$