Snowboard Inc Outsourcing Production Eliminates All Variable Production Costs,the Production Supervisor's Salary,and

Snowboard Inc.currently produces snowboards.Management is interested in outsourcing production of snowboards to a reputable manufacturing company that can supply the snowboards for $250 per unit.Snowboard Inc.incurs the following annual production costs to produce 6,000 snowboards internally:
$$\begin{array} { l c c } & \text { Per Unit } & \begin{array} { c } \text { Tatal annual } \\\text { Cost at 6,000 units }\end{array} \\ \text { Variable praductim costs: } & & \\\text { Direct materials } & \$ 180 & \$ 1,080,000 \\\text { Direct labor } & 50 & 300,000 \\\text { Manufacturing overhead } & 20 & 120,000 \\\text { Fixcd production costs: } & & \\\text { Factory building and equiprnent lease } & & 220,000 \\\text { Factory insurarce } & & 90,000 \\\text { Production supervisor salary } & &65,000 \\\text { Total production costs } & & \$ 1,875,000\end{array}$$
Outsourcing production eliminates all variable production costs,the production supervisor's salary,and factory insurance costs.Factory building and equipment lease costs will remain the same regardless of the decision to outsource or to produce internally.
(1)Perform a differential analysis,assuming that making the snowboard internally is alternative 1,and buying the snowboard from an outside manufacturer is alternative 2.
(2)Explain which alternative is best and why.