Curtis Corporation's Contribution Margin Is $25 Per Unit for Product $\begin{array}{ll}&A&B\\a.&\$ 12.50 & \$ 7.50 \\b.&\$ 12.50 & \$ 8.33 \\c.&\$ 10.00 & \$ 7.50 \\d.&\$ 10.00 & \$ 8.33\end{array}$

Curtis Corporation's contribution margin is $25 per unit for Product A and $30 for Product B. Product A requires 2 machine hours and Product B requires 4 machine hours.How much is the contribution margin per unit of limited resource for each product? $\begin{array}{ll}&A&B\\a.&\$ 12.50 & \$ 7.50 \\b.&\$ 12.50 & \$ 8.33 \\c.&\$ 10.00 & \$ 7.50 \\d.&\$ 10.00 & \$ 8.33\end{array}$