Sugarhill Products Makes a Wood Product in Three Sizes: Small,medium,and

Sugarhill Products makes a wood product in three sizes: small,medium,and large.Currently,the company does not stain any of the products,but market research has indicated that they can be sold with or without a finishing stain.The following information is available:
$\begin{array}{lrrr}&\underline{\text { Small }} &\underline{ \text { Medium }} &\underline{ \text { Large} }\\\text { Initial sales price } & \$ 1500 & \$ 2300 & \$ 4000 \\\text { Initial cost } & 500 & 800 & 1300 \\\text { Sales price after staining } & 1650 & 2400 & 4400 \\\text { Cost of staining } & 100 & 190 & 300 \\& & & \\\text { Number sold per vear } & 300 & 300 & 150\end{array}$
Required:
A. Which products should be staned? Support your answer with calculations.

B. If all the products are stained, what is the overall effect on net income? Support your answer with calculations