| Y's basis in the building | $200,000 |
| Less: Estimated salvage value | $20,000 |
| Y's basis for depreciation | $180,000 |
| Annual straight line depreciation on Y's building (1/50 of $180,000) | $3,600 |
| Proportion of outstanding shares of stock of Y corporation (1,000) owned by B (100) | 1/10 |
| B's proportionate share of annual depreciation (1/10 of $3,600) | $360 |
| Depreciation allowance for 1962 with respect to B's stock (if the limitation in paragraph (c) of this section is not applicable) | $360 |
| Y's basis in the building | $200,000 |
| Less: Estimated salvage value | 20,000 |
| Y's basis for depreciation | 180,000 |
| Annual straight line depreciation on Y's building (1/50 of $180,000) | 3,600 |
| Less: Amount representing rentable space not subject to proprietary lease but held for rental purposes over total rentable space 2,000÷12,000 (of $3,600) | 600 |
| Annual depreciation, as reduced | 3,000 |
| B's proportionate share of annual depreciation (1/10 of $3,000) | 300 |
| Depreciation allowance for 1962 with respect to B's stock (if the limitation in paragraph (c) of this section is not applicable) | 300 |
| Price paid for each share of stock in Y corporation purchased by C on 1-1-67 ($15,000÷100) | $150 |
| Per share price paid by C multiplied by total shares of stock in Y corporation outstanding on 1-1-67 ($150×1,000) | 150,000 |
| Y's mortgage indebtedness outstanding on 1-1-67 | 135,000 |
| 285,000 | |
| Less: Amount attributable to land (assumed to be 1/5 of $285,000) | 57,000 |
| 228,000 | |
| Less: Estimated salvage value | 20,000 |
| Basis of Y's building for purposes of computing C's depreciation | 208,000 |
| Annual straight line depreciation (1/45 of $208,000) | 4,622.22 |
| C's proportionate share of annual depreciation (1/10 of $4,622.22) | 462.22 |
| Depreciation allowance for 1967 with respect to C's stock (if the limitation in paragraph (c) of this section is not applicable) | 462.22 |