Arche Produces a Product with the Following Per Unit Costs $\begin{array}{lr}\text { Direct materials } & \$ 17 \\\text { Direct labour } & 11 \\\text { Overhead } & 12\end{array}$

Essay

Arche produces a product with the following per unit costs. $\begin{array}{lr}\text { Direct materials } & \$ 17 \\\text { Direct labour } & 11 \\\text { Overhead } & 12\end{array}$ Last year,Arche produced and sold 3,000 units at a sales price of $80 each.Total selling and administrative expenses were $25,000.
Required: Solve for the following: A. $\quad$ total cost of goods sold for last year
B. $\quad$ operating income for last year
C. $\quad$ total gross margin for last year
D. $\quad$ prime cost per unit