Widgets R Us uses a variety of different items to produce its world-class widgets. Classify each item according to whether it generates an explicit or implicit cost for the firm. water from the water utility explicit cost maintenance workers explicit cost- the current value of the centuries-old secret process used to produce widgets explicit cost- plastic molds produced by another company implicit cost the purchase of a used car explicit cost exhibit space rented at a trade show explicit cost costs associated with fixing widgets under warranty implicit cost trucks owned outright by Widgets R Us implicit cost