help please

Sheridan Company is unsure of whether to sell its product assembled or unassembled. The unit cost of the unassembled product is $22 and Sheridan would sell it for $59. The cost to assemble the product is estimated at $16 per unit and the company believes the market would support a price of $62 on the assembled unit. What decision should Sheridan make and why? Process further because the company will be better off by $9 per unit. Sell before assembly because the compary will be better off by $3 per unit. Process further because the company will be better off by $21 per unit. Sell before assembly beciuse the company will be better off by $13 per unit