*792DECISION.
The deficiency determined by the Commissioner is allowed in part and disallowed in part. The deduction of $625 claimed by the taxpayer for exhaustion of its lease during 1920 is allowed. Additional depreciation of $934.21 and a deduction of $4,243.82 as a bad debt are disallowed. The correct deficiency will be determined by the Board upon recomputation on consent or on seven days’ notice in accordance with Bule 50.