information states that each of these individuals is paid $$30/$hour$.$

Times Taken by Team Members for Different Sections $($minutes$)$

$\backslash$table$[[,$Section$],[$Member$,$Marketing,Finance,Operations,HR$],[$Chris$,40,100,85,45],[$Steve$,65,35,25,75],[$Juana$,80,120,125,140],[$Rebecca$,20,115,145,160]]$

a$)$ The optimal assignment of the function to a team member that minimizes the cost is:

$\backslash$table$[[$Marketing$,$ Member Rebecca$],[$Finance$,$ Member$],[$Operations$,$ Member Steve$],[$HR$,$ Member Chris$]]$

b$)$ The cumulative cost of the optimal assignment of a function to each member $=$$$,($round your response to two decimal places$).$