Abbott Company sells gas lawn mowers at a selling Price of $60 per mower. The breakeven point sales level for the company was $12000 when the total fixed costs were $4000. The variable cost per unit is..... and the total variable .......cost is at the breakeven a. $20; $8,000 b. $40; $8,000 c. $20; $4.000 d. $40; $4,000 e. None of the above. answer should be b