A local private not-for-profit entity receives a large monetary pledge. Accountants are attempting to determine if the contribution is conditional. They are assessing the possible existence of a barrier that has to be overcome. Which of the following is not an indication of a barrier of this type?

a. Measurable performance related barrier

b. Stipulation limiting discretion by the recipient on the conduct of an activity

c. Requirement preventing the money from being spent until a specific date in the future

d. Stipulation that ties into the agreement