On December 1 of the current year, Krest, a self-employed cash basis taxpayer, borrowed $200,000 to use in her business. The loan was to be repaid on November 30 of the following year. Krest paid the entire interest amount of $24,000 on December 1 of the current year. What amount of interest was deductible on Krest's current year income tax return? A. $0 B. $2,000 C. $22,000 D. $24,000