I need detailed steps, thx

Key:

Varidele Manufaturing Costper unit $=$$$11\mathrm{.}45$

Total Admin Exp. $=$$$3,400$

Total Admin Exp. @$,5,00$ units $=$ $$8,850$

Unit Product Cost $=$$$14\mathrm{.}05$

Total Product Cost Q$5,000$ units $=$$$07,550$

Total Fxed Period Cost $=$$$4,400$

$|$I Selling Pice per unit $=$$$30,$ Contibution Margin $4,000$ units $=$$$66,400$