The following information is available for a company's maintenance cost over the last seven months. Using the high-low method, the variable component of its maintenance cost is: Multiple Choice $30.00 per unit. $25.00 per unit. $22.50 per unit. $22.00 per unit. $16.11 per unit. Information for two alternative projects involving machinery investments follow. The accounting rate of return for Project 1 is: Multiple Choice 24.4%. 11.4% 20.0%. 22.8%. 10.0% An opportunity cost: Multiple Choice Is irrelevant in decision making because it occurred in the past. Is the potential benefit lost by taking a specific action instead of alternative actions. Requires a future outlay of cash. Is an unavoidable cost because it remains the same regardless of the alternative chosen. Results from past managerial decisions. ousiness segment would be: Multiple Choice $277,400 increase $277,400 decrease $215,600 increase $493,000 increase $493,000 decrease