3. A company PT. SE, a manufacturer of electrical equipment in the Cibitung - Bekasi area, will be supplied with power by PT. PLN uses SKUTM TIC (MVTIC) 3 x 240 mm2 along 10 km. Power required 38 MVA / 20 kV, work factor 0.87. After being calculated based on the drawing from the planning consultant, the price is obtained: A. Materials and Services (Investment) 1. Material Rp. 5,429,540,000 2. Installation services + transportation costs Rp. 856,780,000 3. Others Rp. 758,680,000

B. Operating costs (maintenance costs + loss of kWh) / year IDR 369,100,000 It is assumed that the company after it operates will pay the electricity bill to PT. PLN of IDR 515,168,000 / month (includes expenses + usage fees and other costs). Determine: a. The number of support poles (concrete poles) needed if the distance between the poles (1 goal) is 50 meters b. The length of the SKUTM TIC conductor if the network is 3 phase 3 wire c. Single line diagram between PT feeders. PLN with the company (factory) d. In how many months the principal return point (BEP) will be obtained by PT. PLN to build the SKUTM network.