4. The following table shows data on the average number of customers processed by several bank service units each day. The hourly wage rate is P25, the overhead rate is 1.0 times labor cost, and material cost is P 5 per customer. Unit Employees Customers Processed/Day 36 40 W O UT A OnOD 60 20 Compute for each unit: a. labor productivity b. multifactor productivity (labor +Material Cost) c. total productivity3. ABC Laundry Center must decide to purchase one of the three washing machines displayed in mnppliance Center namely Brl, Br2 and Br3. Each of these three machines can wash clothes at different speed. The performance of each machine differs because of the technology applied by its manufacturer. Based on the marketing survey result, customers' demand for the center's service will be high, medium, or low. Survey also reveals that the likelihood of the said states of nature will be 45%, 3D% and 25% respectively. The expected profit for each alternative is summarized in the given table below. Values are in thousands of pesos. | Machines | High | Medium | Low | 45% 30% 25% l Br1 l 350 l zoo | -1oo l l on l 300 l 25o | -5o l are. 450 150 JD a. Compute the expected value of each brand b. Based on the expected value approach, which of the three brands will be the best for ABC Laundry Center to purchase