4. Bob's Underground, a limited liability corporation specializing in new rap artists {B.U. LLC, rap) has the following demand function: Q=a+bP+cM+dR where Q is the quantity demanded of the most popular product B.U. sells, P is the price of that product, M is income, and R is the price of a related product. The regression results are: Adjusted R Square 0.825? Coefcient Standard Independent Variables s Error t Stat PLval'ue Intercept 9998.24 72.84 137.26 6.54E46 P 6.55? 2.066 9.639 0-011 M 0.0039I 0.001 3.258 0.003 R 4.92 1.018 4.829 3.27505 a. Discuss whether you think these regression results will generate good sales estimates for B.U. LLC, rap. Now assume that the income is $53,425, the price of the related good is $17.75, and B.U. chooses to set the price of its product at $18.25. b. 1What is the estimated number of units sold given the data above? (round to nearest unit; no decimals) c. 'What are the values for the own-price, income, and cross-price elasticities? d. If P increases by 4%, what would happen (in percentage terms) to quantity demanded? e. If M decreases by 3%, what would happen (in percentage terms) to quantity demanded? f. If R increases by 6%, what would happen (in percentage terms] to quantity demanded