Port Harcourt Refineries Ltd uses FIFO for material issues. Opening balance 1 Apr: 200 units @ ₦500. Received 5 Apr: 300 units @ ₦600. Issued 10 Apr: 350 units. Received 20 Apr: 400 units @ ₦650. Issued 28 Apr: 250 units. What is the total value of materials issued in April 2024?

Issue 10 Apr (350 units): 200 units @ ₦500 = ₦100,000 plus 150 units @ ₦600 = ₦90,000; total = ₦190,000. Remaining stock: 150 units @ ₦600. After 20 Apr receipt: 150 @ ₦600 + 400 @ ₦650. Issue 28 Apr (250 units): 150 units @ ₦600 = ₦90,000 plus 100 units @ ₦650 = ₦65,000; total = ₦155,000. Grand total issued = ₦190,000 + ₦155,000 = ₦345,000.