D Ir You are provided with the following information regarding the manufacture of a new type of speedboat: Time taken to manufacture the first speed boat: 90 000 hours Time taken to manufacture the second speedboat: 81 000 hours The effect of the learning curve is expected to last for the manufacture of the first eight speedboats. The total time it will take to manufacture the first eight speedboats is: Select one: O a. b. 524 880 hours Cannot be determined from the information provided O c. 65 610 hours O d. 720 000 hours Clear my choice