A retailer is deciding how many of a certain product to stock. The historical probability distribution of sales for this product is O units, 0.1; 1 unit, 0.2; 2 units, 0.3, and 3 units, 0.4. The product costs $23 per unit and sells for $36 per unit. Any unsold units will be discarded. The best EMV for this case is O a. $11.6 profit O b. $9.4 profit O c. $39 profit O d. none of the above e. $26 profit