
Serge M. answered 12/30/16
Tutor
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PhD and CPE with 40 years of experience teaching accounting
The normal formula is Price*X = Fixed Cost + Variable Cost*X + Profit
or Revenue = FC + VC + Profit
If you are looking for the break-even point, then Profit = 0
Here we have no price information and you only want the variable cost per unit. The cost line is
FC + VC*units
FC = $900 + 200 = $1,100
VC = $200 + 1,600 + 160 = $1,960
With 100 units produced, Variable cost per unit is $1,960 / 100 = $19.60/unit