Walking through the grocery store, Ramon sees a "buy 2, get 1 free" deal on laundry detergent. Even though he currently has plenty of detergent he decides to take home all three bottles. Ramon's decision seems to have been based mostly on _________a. his immediate need for the detergent b. the low price of alternative brands c. the limited income he presently earns d. the sale price offered for the detergent