C18 - RELEVANT COST FOR NON-ROUTINE DECISION MAKING Robertson Corporation sells a product for $18 per unit, and the standard cost card for the product shows the following costs: Direct material Direct labor Overhead (80% fixed] Total Refer to Robertson Corporation. Robertson received a special order for 1,000 units of the product. The only additional cost to Robertson would be foreign import taxes of $1 per unit. If Robertson is able to sell all of the current production domestically, what would be the minimum sales price that Robertson would consider for this special order? a. 518.00 b. $11.00 C. $5.40 d. $19.00