Lincoln, Inc., which uses a volume-based cost system, produces cat condos that sell for $175 each. Direct materials cost $17 per unit, and direct labor costs $18 per unit. Manufacturing overhead is applied at a rate of 180% of direct labor cost. Nonmanufacturing costs are $28 per unit. What is the gross profit margin for the cat condos? (Round your intermediate calculations to nearest whole dollar.)

a.36.8%

b.45.7%

c.54.3%

d.61.7%