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 $ 60/ hour.
a) Assign each member to a different section such that Jamison Consultants€™ overall cost is minimized.
b) What is the total cost of these assignments?
Times Taken by Team Members for Different Sections (minutes)

Chris Steve Juana Rebecca MARKETING RNANCE OPERATONS HR 140 160 45 75 80 20 40 65 120 115 100 35 125 145 85 25