Walsh Corporation has provided the following information: If the selling price is $20.60 per unit, the contribution margin per unit sold is closest to: Select one: a. $10.50 b. $7.95 c. $4.05 d. $6.00 The company has supplied the following data for the just completed year: Estimated total manufacturing overhead at the beginning of the year $546,000 Estimated direct labor-hours at the beginning of the year 42,000 direct labor-hours Results of operations: The total amount of manufacturing overhead applied to production is: Select one: a. $1,755,000 b. $611,000 c. $546,000 d. $606,000