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Jennilyn Jasper, whose annual salary as a flight instructor is $40,000, has just inherited $100,000 after taxes. She is considering quitting her job and opening a day-care center. Certificates of deposit at the local bank are currently paying 6%. Jennilyn estimates that she will have to pay $120,000 in salaries to employees per year, $20,000 to rent a building, $9,000 each for furniture and supplies, $80,000 for insurance, and $7,000 for utilities. The two most important cost figures Jennilyn must consider in projecting profitability for her day-care center are, respectively, the explicit and implicit costs of