Q17.77: Home and Hardware has a small staff of four individuals that is cross-trained for multiple jobs in the store. Each individual works 40 hours per week. When asked to compile a list of activities they perform each week and the time spent performing each activity, they provided the following information: Activity Total Time (hr) Answering customer questions 75.0 Ringing up sales 45.2 Stocking shelves 11.6 Loading supplies into customer vehicles 12.0 Placing or receiving stock orders 5.8 Cleaning the store 4.3 Mixing paint for customers 6.1 How much time does the staff spend on non-value-added activities each week? 33.7 hours B O hours 10.1 hours D 21.7 hours