Monica paid $12 for a music cd for which she later was offered $15. after that someone offered her $18 for the cd. if monica keeps the cd, the amount of her opportunity cost is $33.a. trueb. false

4. the condition requires that only one of the selected criteria be true for a record to be displayed.

The following are line items from the horizontal analysis of an income statement:increase/ (decrease) increase/ (decrease) 2017 2016 amount percent fees earned $120,000 $100,000 $20,000 20% wages expense 50,000 40,000 10,000 25 supplies expense 2,000 1,700 300 15 which of the items is stated incorrectly? a. fees earned b. supplies expense c. none of these choices are correct. d. wages expense

Four key marketing decision variables are price (p), advertising (a), transportation (t), and product quality (q). consumer demand (d) is influenced by these variables. the simplest model for describing demand in terms of these variables is: d = k – pp + aa + tt + qq where k, p, a, t, and q are constants. discuss the assumptions of this model. specifically, how does each variable affect demand? how do the variables influence each other? what limitations might this model have? how can it be improved?