Jacques lives in Miami and runs a business that sells boats. In an average year, he receives $793,000 from selling boats. Of this sales revenue, he must pay the manufacturer a wholesale cost of $430,000; he also pays wages and utility bills totaling $301,000. He owns his showroom; if he chooses to rent it out, he will receive $15,000 in rent per year. Assume that the value of this showroom does not depreciate over the year. Also, if Jacques does not operate this boat business, he can work as a financial advisor and receive an annual salary of $50,000 with no additional monetary costs. No other costs are incurred in running this boat business. Identify each of Charles's costs in the following table as either an implicit cost or an explicit cost of selling boats.