Business has been good for Keystone Control Systems, as indicated by the thirteen-year growth in earnings per share. The earnings have grown from $1.00 to $4.82. a. Determine the compound annual rate of growth in earnings (n= 13). (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Compound annual rate of growth % b. Based on the growth rate determined in part a, project earnings for next year (E1). (Do not round intermediate calculations. Round your answer to 2 decimal places.) E1