Eastern Electric Produces a 25-inch thin-walled television

Eastern Electric Produces a 25-inch thin-walled television. The company wants to get a better graph on the sensitivity of the quantity demanded of its product to the various factors that affect it. You have been hired as a consultant to estimate the following demand function QE = β0 + β1PE + β2PG + β3I a. Find the estimated values for β0 β1 β2 β3 b. Which of the estimated values you found in part a. are significantly different from zero (one-tailed tests) at the 5% level of significance? Why? c. What is the value of R^2