Problem 4-19 Loaded-Up Fund charges a 12b-1 fee of 0.75% and maintains an expense ratio of 0.75%. Economy Fund charges a front-end load of 2.5%, but has no 12b-1 fee and an expense ratio of 0.25%. Assume the rate of return on both funds' portfolios (before any fees) is 9% per year. How much will an investment of $1,000 in each fund grow to after: (Round your answers to 2 decimal places.) Loaded-Up Fund Economy Fund a. 1 year b. 3 years 10 years b. C