How to solve Question 1,2 and 3?

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You own a road construction and paving company and are studying the feasibility of replacing an aging asphalt paver. The financial details of current and proposed paver are given below. 1. The dollar amount of cell AA (nearest 100) in Table 1 is a) 24, 700; b) 26, 900; c) 28,000; d) 29,000. 2. The dollar amount of cell BB (nearest 100) in Table 1 is a) 41, 500; b) 42, 500; c) 42, 800; d) 43,000. 3. The dollar amount of cell CC (nearest 100 dollars) in Table 1 is a) 41, 900; b) 42, 200; c) 43,00; d) 45, 400