$6.$ What is the financial break$-$even point?Price $=$ $$108$ per unit;

variable cost $=$ $$45$ per unit,

fixed cost $=$ $$31,500\mathrm{.}00$ per year;

depreciation $=$ $$13,500\mathrm{.}00$ per year.Assume a discount rate of $11\%,$ project initial outlay of $$81,000\mathrm{.}00,$ project life of $6$ years, and ignore taxes.

a$)804$ units

b$)500$ units

c$)678$ units

d$)921$ units

e$)715$units