Dollaz Unlimited makes custom office desks. It can sell semi- finished desks for $800. Costs incurred to this point total $500. It can finish the desks at an additional cost of $200 and increase the selling price to $1,100. Dollaz Unlimited should: A. sell the desks unfinished since finishing the desks will reduce profits. B. finish the desks since it will increase profits $300 per desk. C. finish the desks since it will increase profits $600 per desk. D. finish the desks since it will increase profits $100 per desk