Last year, Cayman Corporation had sales of $$6,727,113,$ total variable costs of $$2,840,969,$ and total fixed costs of $$1,560,807.$ In addition, they paid $$480,000$ in interest to bondholders. Cayman has a $21\%$ marginal tax rate. If Cayman's sales increase $10\%,$ what should be the increase in earnings per share?