A small manufacturing firm bought a new device for washing dishes and cleaning kitchens for $60,000. The variable costs are estimated at $5 per unit produced and sold. If the selling price is $20 and the firm sells 5000 units, how much is the total profit. Select one: O a. $35,000 O b. $100,000 O c. $40,000 O d. $15,000 What is a global network of organizations and activities that supply a firm with goods and services? Select one: O a. provider network O b. process design oc. supply chain O d. supply tree