5 of 20 Incorrect Incorrect Incorrect pling Learning Map Widgets R Us uses a variety of different items to produce their world-class widgets. For each item listed t or explicit cost for the firm. Explicit Cost Implicit Cost Production line workers. Warehouses rented to store inventory. Trucks owned outright by Widgets R Us. The purchase of a used car.Plastic molds for widgets produced by another company The difference between the owner/entrepreneur's profits and what s/he could have earned working for someone else.ll water from the water utility. Costs associated with fixing widgets under warranty