A dry cleaner uses exponential smoothing to forecast equipment usage at its main plant. August usage was forecasted to be 51 percent of capacity, actual usage was 52 percent of capocity. A smoothing constant of 15 is used. a. Prepare a forecast for September. (Round your final answer to 2 decimal places.) b. Assuming actual September usage of 58 percent, prepare a forecast for October usage. (Round your answer to 2 decimal places.)