Question 7 (1 point) K Inc. sells a single product that has the following production per unit costs: direct material, $15; direct labor, $4; variable overhead, $6; and fixed overhead, $2. The fixed overhead cost was calculated using 100,000 units of annual sales and production. Selling costs are $1 per unit and $179,200 of fixed costs. K's product sells for $50 per unit. If K Inc. wants to earn a pre-tax profit of $62,544, how many units must be sold? a. 14,858 b. 17,664 c. 18,406 d. 20,073 e. 21,670