Say a Public Good Is Provided to Two Consumers: John

Say a public good is provided to two consumers: John and Jill. John's willingness to pay for the good is P = 10 - Q, and Jill's is P = 20 - 2Q. The marginal cost to provide the good are 2Q. Assume the government must pay for providing this good by taxing Jill and John equally to raise the necessary revenue. If the total costs of providing the public good are $25, then

A) both Jill and John would be willing to vote to approve of providing the good.
B) only Jill would be willing to vote to approve of providing the good.
C) only John would be willing to vote to approve of providing the good.
D) neither Jill nor John would be willing to vote to approve of providing the good.