Q-5: Green Corporation makes footballs that it sells directly to Football clubs throughout the world. Below are listed a number of activities and costs at Green Corporation for manufacturing footballs: a) The purchasing department orders the specific color of paint specified by the customer from the Company's supplier. b) The company's paint shop makes a sticker for a customer's logo. c) A sales representative visits an old customer to check on how the company's products are working out and to try to make a new sale. d) The accounts receivable department prepares the bill for a completed order. e) Electricity is used to heat and light the factory and the administrative offices. 1) The company's engineer modifies the design of a model to eliminate a potential safety problem. g) The marketing department has a catalogue printed and then mails copies to football club managers. h) Completed footballs are individually tested on the company's test track. Required: Classify each of the costs or activities above as unit-level, batch- level, product-level, customer-level, or organization-sustaining