Eddy Company is starting business and is unsure of whether to sell its product assembled or unassembled. The unit cost of the unassembled product is $60 and Eddy Company would sell it for $135. The cost to assemble the product is estimated at $27 per unit and Eddy Company believes the market would support a price of $174 on the assembled unit. What is the correct decision using the sell or process further decision rule?

a. Sell before assembly, the company will be better off by $27 per unit.
b. Sell before assembly, the company will be better off by $39 per unit.
c. Process further, the company will be better off by $39 per unit.
d. Process further, the company will be better off by $12 per unit.