Wild-Water Works Water Park provides for a fun day by offering a variety of rides. Wild-Water Works Water Park sells tickets at $71 per person as a one-day entrance fee. Variable costs per person are $33 and fixed cost amount to $139,000 per month. Wild-Water Works Water Park expects to sell 7,200 tickets. Estimate the operating income if sales increase by 15%. Calculate the degree of operating leverage. (Round your answers to two decimal places when needed and use rounded answers for all future calculations.) Contribution Margin / Operating Income = Decree of Operating Leverage Percent change in Sales Revenue (%) Operating Income X X Degree of operating leverage = Percent change in operating income (%) Percent change in operating income (%) = = Dollar change in operating income