Cullumber Shoe Stores management forecasts that it will sell $8,000$ pairs of shoes next year. The firm buys its shoes for $$50$ per pair from the wholesaler and sells them for $$75$ per pair. If the firm will incur fixed costs plus depreciation and amortization of $$100,000,$ then what is the percent increase in EBIT if the actual sales next year equal $9,700$ pairs of shoes instead of $8,000?($Round answer to $2$ decimal palces, e$..15\mathrm{.}25\%.)$

EBIT will increase by $\%$