A statistician from your firm used a linear demand specification to estimate the demand for its product and sent you a hard copy of the results; then she quit. Unfortunately, some entries are missing because the toner was low in her printer. Use the information presented in the table below find the missing values labeled.
a. Based on these estimates, write an equation that summarizes the demand for the firm's product.
b. Which regression coefficients are statistically significant at the 5 percent level?