Beto Company pays $$5\mathrm{.}30$ per unit to buy a part for one of the products it manufactures. With excess capacity, the company is considering making the part. Making the part would cost $$5\mathrm{.}40$ per unit for direct materials and $$1\mathrm{.}00$ per unit for direct labor. The company normally applies overhead at the predetermined rate of $200\%$ of direct labor cost. Incremental overhead to make the part would be $80\%$ of direct labor cost.

$($a$)$ Prepare a make or buy analysis of costs for this part. $($Enter your answers rounded to $2$ decimal places.$)$

$($b$)$ Should Beto make or buy the part?