For a shoe shine process, the following functions have been identified: Function A B D E F Function Description Clean / Brush Shoes Obtain Polish Open and Apply Polish Buff Inspect Collect Payment If one was to prepare a function map for the above identified functions and assign them between "Customer" and "Operator" then: Select the functions that will be the responsibility of the "Customer" (check all that apply): A. Approval of work done B. Clean shoes C. Pay and tip D. Instruction for color E. Buff