Of the 24 fast-food businesses on Valley Mills Drive, the number that have a drive-up window, outside seating, or a pay telephone is summarized as follows: 18 have a drive-up window. 17 have outside seating. 8 have pay telephones. 12 have a drive-up window and outside seating. 6 have outside seating and a pay telephone. 5 have a drive-up window and a pay telephone. 4 have all three. Find the number of businesses that have the following. (a) a drive-up window and no outside seating (b) a drive-up window and outside seating, but no pay telephone (c) no pay telephone (d) only a drive-up window (e) outside seating or a pay telephone