Getb Company currently makes a key part for its main product. Making this part incurs per unit variable costs of $2.05 for direct materials and $1.60 for direct labor, Incremental overhead to make this part is $1.74 per unit. The company can buy the part for $571 per unit. (a) Prepore 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