# Question: The following relations describe demand and supply conditions in the

The following relations describe demand and supply conditions in the lumber/forest products industry
QD = 80,000 - 20,000P (Demand)
QS = -20,000 + 20,000P (Supply)
Where Q is quantity measured in thousands of board feet (one square foot of lumber, one inch thick) and P is price in dollars.
A. Set up a spreadsheet to illustrate the effect of price (P), on the quantity supplied (QS), quantity demanded (QD), and the resulting surplus (+) or shortage (-) as represented by the difference between the quantity supplied and the quantity demanded at various price levels. Calculate the value for each respective variable based on a range for P from \$1.00 to \$3.50 in increments of 10¢ (i.e., \$1.00, \$1.10, \$1.20, . . . \$3.50).
B. Using price (P) on the vertical or y-axis and quantity (Q) on the horizontal or x-axis, plot the demand and supply curves for the lumber/forest products industry over the range of prices indicated previously.

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