A hospital receives the following promises to give:

Unconditional promise to give $25,000. The $25,000 can be used for any purpose that the hospital chooses

Conditional promise to give of $10,000 if the hospital purchases a new X-Ray scanner. The $10,000 must be used to maintain the X-Ray machine (if purchased)

Unconditional promise to give of $100,000 to be used for the construction of a new building.

How much contribution revenue should the hospital recognize from these promises to give?