Please show work for all 4 parts. Thanks!

The manager of the Personnel Department at King Enterprises has been reading about time-driven ABC and wants to apply it to her department. She has identified four basic activities where her employees spend the most time: Interviewing; Hiring, Assessment, and Separation Processing. The Department employs five staff who perform these activities. The manager provides the following estimates for the amount of time it takes to complete each of these activities: Interviewing: 40 minutes; Hiring: 60 minutes; Assessment: 85 minutes; Separation processing: 95 minutes. Employees in Personnel work 35-hour weeks with four weeks for vacation. Of the 35 hours, five are reserved for administrative tasks, training, and so on. The costs of the personnel department, including any allocated costs from other staff functions is $1,404,000. During the year, Personnel conducted 1,200 interviews, made 405 hires, made 2,850 assessments, and had 235 separations. Required: a. What is the cost per minute for activities in Personnel? b. What is the cost of interviewing and hiring one employee? c. How many minutes of unused capacity did Personnel have for the year? d. What was the cost of the unused capacity in Personnel