oak Island Center provides the following data on the costs of maintenance and the number of visitors for the last three years Maintenance Costs Number of Visitors per Year (thousands) ($000) 5,020 5497 8,470 3,275 Required of a. Use the high-low method to estimate the fixed cost of maintenance annually and the variable cost maintenance per visitor. (Enter your answers in dollars not in thousands of dollars. Round "variable answer to 2 decimal places.) Variable cost per vistor