4. (SHOW YOUR COMPLETE WORK) Joyce Lee, an IRS auditor, took 60 minutes to process the first tax return. If the IRS uses an 85% learning rate for this task, how long should it take Joyce to process 12 noints d. the first 13 tax returns? c. the first 25 tax returns? f. the first 50 tax returns? & the tax returns 14" through 25*17 h the tax returns 26 through 507 12 points) [2 points) 15 points) [5 points) 4. (SHOW YOUR COMPLETE WORK) Joyce Lee, an IRS auditor, took 60 minutes to process the first tax return. If the IRS uses an 85% learning rate for this task, how long should it take Joyce to process a. the 13"tax return? 12 points) b. the 25 tax return? [2 points) c. the 50 tax return? 12 points) d. the first 13 tax returns? [2 points) c. the first 25 tax returns? [2 points) f. the first 50 tax retums? [2 points) B. the tax returns 14" through 25"? 15 points) h. the tax returns 26 through 50%? [5 points)