Help Save & Exit Subm Gelb Company currently makes a key part for its main product. Making this part incurs per unit variable costs of $1.60 for direct materials and $1.15 for direct labor. Incremental overhead to make this part is $1.56 per unit. The company can buy the part for $4.54 per unit. (a) Prepare a make or buy analysis of costs for this part. (Enter your answers rounded to 2 decimal places.) (b) Should Gelb make or buy the part? (a) Make or Buy Analysis Make Buy Direct materials $ 1.60 $ 0.00 Direct labor 1.15 0.00 Overhead 1.56 0.00 : Cost to buy 4.54 Cost per unit $ 4.54 Cost difference (b) Company should: Make