Jamison Day Consultants has been entrusted with the task of evaluating a business plan that has been divided into four sections-marketing, finance, operations, and human resources. Chris, Steve, Juana, and Rebecca form the evaluation team. Each of them has expertise in a certain field and tends to finish that section faster. The estimated times taken by each team member for each section have been outlined in the table below. Further information states that each of these individuals is paid $30/hour. Times Taken by Team Members for Different Sections (minutes) Member Chris Steve Juana Rebecca Section 8 8 8 5 Marketing 40 Finance Operations HR 100 85 45 65 35 25 75 80 20 120 125 140 115 145 160 a) The optimal assignment of the function to a team member that minimizes the cost is: Marketing Member Juana Finance Member Steve Operations Member Chris HR Member Rebecca b) The cumulative cost of the optimal assignment of a function to each member = $ (round your response to two decimal places).