Saved Help Save & Exit Submit You've just completed a pilot run of 10 units of a major product and found the processing time for each unit was as follows: Use Exhibit 4A 5 and Exhibit 4A6. UNIT NUMBER 1 2 3 4 5 6 7 8 9 10 TIKE (HOURS) 970 750 680 600 580 540 520 500 475 460 a. According to the pilot run, what would you estimate the learning rate to be? (Do not round intermediate calculations. Round your answer to the nearest whole percent.) Estimated learning rate b. Based on part (a), how much time would it take for the next 190 units, assuming no loss of learning? (Round your answer to the nearest whole number.) Time taken hours