A project requires capital expenditure of 1.5 million in new plant and machinery on 31 December 20X3. On completion of its useful economic life of four years, this plant will be disposed for scrap value estimated at 100,000 at 31 December 20X7 prices. Capital allowances are 18% per annum on a reducing balance basis starting in the year of purchase and last for the duration of the project. A balancing charge or allowance will arise on disposal on 31 December 20X7. Prepare a schedule showing the writing down allowances (WDA).