b. Fill the formula down through cell F64. If necessary, format the range as a percentage, and center the values in the cells. c. In cell G4, calculate the commission earned by multiplying the annual sales by the commission rate CE4*F4). d. Add a rounding function to the formula in cell G4 to round the result to two decimal places. e. Fill the formula down through cell G64. If necessary, format the range using the default Comma Style number format