Which of the following would least likely be included in the liquidity constraint for an individual investor with $2 million in investable assets?

A. $100,000 for a down payment to be made on a beach house within the next six months.

B. $25,000 for the purchase of a motorcycle within the next four months.

C. $15,000 annually for donations as part of a commitment to the local hospital.

D. $200,000 in present value for children's education expenses.