please help

Lakeside incorporated produces a product that currently sells for $72 per unit. Current production costs per unit include direct materials, \$19; direct labor, \$21; variable overhead, \$14; and fixed overhead, \$14. Product engineering has determined that certain production changes could refine the product quality and functionality. These new production changes would increase material and labor costs by 20% per unit. Required: a. What would be the incremental profit or loss if Lakeside could sell the refined version of its product for $79 per unir? Note: Do not round your intermediate calculations. Round your final answer to 2 decimal places. Loss amounts should be indicated with a minus sign. b. Should it be processed further