it is a case study and i got a,b,c,d answers. but u want E and f answer from this case study plss help me .

Additional practice questions 1. Jay's carwash offers two types of washes: standard and deluxe. The process flow for both types of customers is shown in the map below. Both washes are first processed through steps Al and A2. The standard wash then goes through A3 and A4 while the deluxe is processed through A5, A6, and A7. Both offerings finish at the drying station (A8). The numbers in brackets indicate minutes it takes the activity to process a customer. A3[2] A4[5] Sundard A1[5 A2161 21. Dux As po Dave A5[5 A6 21 Aa] e) Jay has collected some data on his carwash. He is contemplating whether to introduce a third type of wash - Deluxe Plus, in the fall/winter months without adding additional human resources. Use the information provided below to help Jay decide. Assume standard customer demand stays the same. (5 marks). Month Washes (S) Washes (D) Total May 700 400 1100 June 800 1200 July 850 1175 August 810 350 1160 September 750 300 1050 Working hour: 12 Deluxe Plus - Step A7* (as part of A7) to apply a water repellant wax coat. The process will take 15 minutes to apply the wax. Predicted demand for Deluxe Plus: 30% of deluxe volumes 400 325 f) Assume Standard customer demand is not constant, should Jay still introduce Deluxe Plus? (10 marks)