please solve #7 correctly

Incorrect Question 7 0/1 pts Due to the recent regulation change the writing stage now takes 30 minutes longer for all cases, what is the new implied utilization rate for the administrative support person? Round your answer to the nearest whole number and ignore the percentage sign. For example, if your answer is 0.45 or 45%, fill in 45; if your answer is 0.76 or 76%, fill in 76. 53 VF is a small accounting firm supporting wealthy individuals in their preparation of annual income tax statements. Every December, VF sends out a short survey to their customers, asking for the information required for preparing the tax statements. Based on 24 years of experience, VF categorizes their cases into the following groups: Group 1 (new customers, easy): 25 percent of cases . Group 2 (new customers, complex): 20 percent of cases Group 3 (repeat customers, easy): 30 percent of cases Group 4 (repeat customers, complex): 25 percent of cases In order to prepare the income tax statement, VF needs to complete the following set of activities. Processing times (and even which activities need to be carried out) depend on which group a tax statement falls into. All of the following processing times are expressed in minutes per income tax statement. Processing Time Table Group Filing Initial Meeting Preparation Senior Accountant Writing Review - 1 20 30 120 20 50 2 40 90 300 60 80 3 20 No 150 5 60 4 40 No 200 30 60 The activities are carried out by the following three persons: Administrative support person: filing and writing. Senior accountant (who is also the owner): initial meeting, review by senior accountant. Junior accountant: preparation. a Assume that all three persons work eight hours per day and 22 days a month. For the following questions, assume the product mix as described above. Assume that there are 50 income tax statements arriving each month. Using "minutes of work" as your flow unit (in minutes), what is the capacity of the junior accountant per month? Round the answer to the nearest whole number. For example, if your answer is 2543.65, round to 2544; if you answer is 2543.12, round to 2543