John recently purchased a Theatre Hall which was in poor condition. Before starting the hall, it needed to repair a portion of the ceiling, but he decided to replace the whole of the ceiling with different but better materials. The new ceiling, in addition to enhancing the appearance of the hall, improved the acoustics. The total cost of the material and of erecting the new ceiling was $210,000. It was estimated that the cost of repairing the ceiling would have been $150,000. With reference to Income Tax Assessment Act 1997 and relevant case law, discuss the amount, if any, allowable as a deduction for income tax purposes.

Kindly use the following instructions: 1. Facts of the scenario 2. Relevant laws and cases 3. Application of laws and cases 4. Conclusion