2. Find below regression output for a demand equation where "p" is own price "Pa" and "Pb" prices of potentially related goods and "T" is income. a. Which variables are statistically different from zero? Why? b. How about the overall goodness of fix? c. Write the "allelse equal" demand equation when, "Pa $2", "Pb $8.70", and "$50" d. Using the equation, you derived in part". what is the own price elasticity of demand when price ispuso.00 2. Find below regression output for a demand equation where "p" is own price "Pa" and "Pb" prices of potentially related goods and "T" is income. a. Which variables are statistically different from zero? Why? b. How about the overall goodness of fix? c. Write the "allelse equal" demand equation when, "Pa $2", "Pb $8.70", and "$50" d. Using the equation, you derived in part". what is the own price elasticity of demand when price ispuso.00