5. In the market for St. Patrick's Day decorations a determinant of demand would be ______ while supply determinants would include _____________. a. Consumer income and tastes; the input costs associated with producing these decorations. b. Input costs and consumer tastes; the level of competition in the decorations market. c. The number of sellers serving the market; expectations concerning future prices. d. The price of Irish food; the transaction costs of finding these decorations