accounting help answer is not .80, 1.40 or 21.40 please help study guide test tommorrow

Lakeside Incorporated produces a product that currently sells for $76 per unit. Current production costs per unit include direct materials, $20; direct labor, $22; variable overhead, $15; and fixed overhead, $15. 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 $83 per unit? 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