A decrease in income upon the market for spam (inferior good) would: decrease S, increase P, and decrease Q decrease 5, increase P, and increase Q increase D, decrease P, and increase Q Increase D, increase P, and increase Q Ob Oc Od Question 341 point) "Increase in D" AD1 D2 S P2 P1 "Decrease in D" D1 S PP2. P2 QD1 QD2 QD2 QD1 (A) TIMER (B) "Increase in S" S1 D P1 P2 "Decrease in S" $2 P2... P1 QD1 QD2 QD2 QD1 (C) RATNEST (D) 15