Jennys Styling Shop offers hair care services for both men and women. The shop is open six days a week for 8-10 hours a day. The shop has a staff of 22 full- and part-time hair stylists. For each of the following characteristics of service products, describe (1) how that characteristic would occur in Jennys business, (2) an important difficulty or problem that may be caused by that characteristic, and (3) how Jenny could reduce the negative effects of the problem caused by that characteristic. (a) Intangibility. (b) Heterogeneity. (c) Inseparability. (d) Perishability.