# Copy and paste the following data into Excel: P Q \$4.80 1170 \$4.53 1235 \$3.98 1337 \$3.72 1442 \$3.49 1548 a.

Copy and paste the following data into Excel:

PQ

\$4.801170

\$4.531235

\$3.981337

\$3.721442

\$3.491548

a.Run OLS to determine the inverse demand function (P = f(Q)); how much confidence do you have in this estimated equation? Use algebra to then find the direct demand function (Q = f(P)).

b.Using calculus to determine dQ/dP, construct a column which calculates the point-price elasticity for each (P,Q) combination.

c.What is the point price elasticity of demand when P=\$3.98? What is the point price elasticity of demand when P=\$3.81?

d.To maximize total revenue, what would you recommend if the company was currently charging P=\$4.53? If it was charging P=\$3.81?

e.Use your indirect demand function to determine an equation for TR and MR as a function of Q, and create graph of P and MR on the vertical and Q on the horizontal axis.

f.What is the total-revenue maximizing price and quantity, and how much revenue is earned there? Compare that to the TR when P = \$4.80 and P = \$3.81

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