Calculate the contribution margin for sells 4000 masks

Mask-Up Davis's relevant range of production is 3,000 to 6,000 units. When it produces and sells 6,000 units, its average costs per unit are given in the table below. Calculate the contribution margin if Mask-Up Davis sells 4,000 masks. Sales Price Direct Materials Direct Labor Variable Manufacturing Overhead Fixed Manufacturing Overhead Fixed Selling Expense Fixed Administrative Expense Sales Commission Variable Administrative Expense $15 $2.00 $3.00 $4.00 $1.00 $0.50 $1.50 $2.50 $0.25 $24,000 $13,000 $16,250 $23,000