Answer:
Total Contribution margin = $420,535
Step-by-step explanation:
given data
Sales revenue = $534,811
variable cost = $84,276 + $30000
variable cost = $114,276
so Contribution margin is
Contribution margin = Sales revenue - variable cost
Contribution margin = $534,811 - $114,276
Contribution margin = $420,535
and
Fixed cost is =$57,612 + $50000
Fixed cost is = $107612
so
Net operating income = Contribution margin - Fixed cost is
Net operating income = $420,535 - $107612
Net operating income = $312923
and
Total Contribution margin = $420,535