Please help with the following questions,

Q2 [30 points] The demand for boxes of nails is estimated to be Q=18510p+3Y, where income is measured in thousands of dollars. If p=5, and Y=30, a. What is the income elasticity? Interpret and explain your result. What type of good is this? b. If the equation is then re-estimated using just dollars instead of thousands of dollars, what will be the effect on the coefficient for Y and the income elasticity? Explain your result. c. How would the income elasticity change if the price were increased to $9.50 ? Interpret and explain your result. Q3 [40 points] Suppose demand for inkjet printers is estimated to be Q=5000.6p5px+4pz+0.2Y where p is the price of inkjet printers, Y is income, and px and pz are the prices of related