ure to explicitly show the impact (if any) of the price control law on the market price and quantity exchanged. CORN MARKET: The Dept. of Ag raises the support price of corn from $4.00 to $5.00 per bushel; before this law takes hold, the going price of corn is $4.50 CREDIT CARD MARKET: Congress passes a new usury law limiting the interest rate charged on credit cards to 14%; before this law takes hold, the going interest rate was 12% MARKET FOR LOW-SKILLED LABOR: Congress increases the minimum wage from $5.00 to $6.00 per hour; before this law takes hold, the going wage is $5.50 per hour