b) The power factor penalty (surcharge) for customers operating at lower power factor set by TENAGA NATIONAL BERHAD with electricity supply below 132 kV is calculated as follows: 1.5% surcharge of the current bill for every 0.01 less than 0.85 power factor. 3% surcharge of the current bill for every 0.01 less than 0.75 power factor. @ i. Calculate the total surcharge for a user operating at a power factor of 0.75 with current monthly bill amount of RM10,000. (4 Marks) Calculate the total surcharge for a user operating at a power factor of 0.65 with current bill wount of RM10,000. (6 Marks) iii. Considering part (ii), comment on the financial feasibility by calculating the payback period of investing on a capacitor bank of total installation cost RM 30,000 in order to increase the operating power factor to 0.9. Assume the monthly bill for the company to remain at RM10,000 throughout the year. (5 Marks) b) The power factor penalty (surcharge) for customers operating at lower power factor set by TENAGA NATIONAL BERHAD with electricity supply below 132 kV is calculated as follows: 1.5% surcharge of the current bill for every 0.01 less than 0.85 power factor. 3% surcharge of the current bill for every 0.01 less than 0.75 power factor. @ i. Calculate the total surcharge for a user operating at a power factor of 0.75 with current monthly bill amount of RM10,000. (4 Marks) Calculate the total surcharge for a user operating at a power factor of 0.65 with current bill wount of RM10,000. (6 Marks) iii. Considering part (ii), comment on the financial feasibility by calculating the payback period of investing on a capacitor bank of total installation cost RM 30,000 in order to increase the operating power factor to 0.9. Assume the monthly bill for the company to remain at RM10,000 throughout the year