A ________ is a method of interaction with a customer, such as telephone or customer service desk

Formulate an appropriate model for this scenario if the variables are assigned as in the table:

x1 = contractor works on wood floors x2 = landlord works on wood floors x3 = contractor works on kitchen tile x4 = contractor works on kitchen tile x5 = contractor works on back door x6 = contractor works on back door x7 = contractor works on garage door x8 = contractor works on garage door

Which form of on-the-job training usually involves having a learner study under the tutelage of a master craftsperson?

A) programmed learning B) mentoring C) apprenticeship training D) coaching