Mortimer is an avid collector of antiques associated with the funeral industry. The local hospital is running a campaign to redecorate and expand their lobby, and as a show of support, Mortimer donates a 19th century horse-drawn hearse in mint condition to the hospital. He purchased several of these hearses 30 years ago for $300 each, but the current estimated market value of the hearse today is in the range of $30,000. The hospital decides to sell the hearse and dedicate the proceeds to the renovation effort. Mortimer’s AGI is $50,000. Which of the following statements concerning Mortimer’s charitable deduction is correct?

A. Mortimer's deduction for the current tax year will be limited to $25,000.
B. Mortimer's deduction for the current tax year will be limited to $15,000.
C. At least $5,000 of the deductible amount will have to be carried over to future tax years.
D. Mortimer's income tax deduction is $300.