X Corporation owns real and personal property in New York. Under New York law, X is liable for taxes on real property on the first day of any payment date if it owns real property in the state. The dates are 2/1, 5/1, 8/1, 11/1. For 20X7 the amounts due on each date are $300. Under New York law, a taxpayer is liable for personal property taxes on property held on the first day of the year, payable 60% on July 1 following, and 40% on the 1st day of February of the succeeding year. For 20X7, X pays $300 on 11/1/X7 for the last quarter real estate taxes, and $6,000 of personal property taxes on 7/1/X7. The remaining $4,000 of personal property taxes are paid on 2/1/X8. When may these taxes be deducted