Before conducting the market research Evan stone, Sr. Product Manager at Kunst believed that "AC contractors stand to gain the greatest value from the Kunst 1600" (see page 3, second last para). (15 marks) (a) What could be the possible reason for this belief? (b) Did research confirm his belief? (c) Explain with possible value assessment before and after the market research. Refer to case study: commercialising the Kunst 1600 dry piston vacuum pump