4. (SHOW YOUR COMPLETE WORK) A company has designed an energy-efficient refrigerator. It took the company 125 hours to produce the first unit. If the company uses an 85% learning rate for this task, how long should it take the company to produce a. the 5th unit? [3 points] b. the 13th unit? [3 points] c. the 40th unit? [3 points] d. the first 5 units? [3 points] e. the first 13 units? [3 points] f. the first 40 units? [3 points] g. the units 6th through 13th ? [6 points] h. the units 14th throush 40th ? [6 points] 5. Outline the distinguishing characteristics of a project. Identify and list the skills of a project manager. [6 points]