Given the Events Listed Below That Take Place in the Corn

Short Answer

Given the events listed below that take place in the corn market, decide if demand or quantity demanded changes and determine the direction of change.
a.The economy prospers and incomes rise dramatically.
b.The price of corn falls.
c.The price of pork increases, and corn is a significant input in the pork market.
d.The price of oats, a substitute for corn, falls.
e.The price of corn increases.
f.A new fertilizer comes on the market that leads to tremendous increases in corn productivity.