Vaughn Manufacturing's cost of goods sold is $300000 variable and $220000 fixed. The company's selling and administrative expenses are $320000 variable and $380000 fixed. If the company's sales revenue is $1300000, what is its contribution margin? $780000 O $80000 $700000 O $680000

Vaughn Manufacturing's cost of goods sold is $300000 variable and $220000 fixed. The company's selling and administrative expenses are $320000 variable and $380000 fixed. If the company's sales revenue is $1300000, what is its contribution margin? $780000 $80000 $700000 $680000