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 conditional value for the decision alternative "Stock 3" and state of nature "Sell 1" is O a. none of the above O b. $-19 profit (loss of $19) O c. $1 profit O d. $-33 profit (loss of $33) e. 1.4 units