Answer: Net Assets Released from Equipment Acquisition Restriction.
Step-by-step explanation:
When the stipulations by a donor have been satisfied, the assets involved can be removed from being restricted to now being unrestricted. The account credited to recognize this is known as the Net assets released from *asset name* acquisition restriction.
In the above case, the company purchased some equipment with the money they were donated which means that the equipment had satisfied the stipulation for which they were donated funds for. The Net Assets Released from Equipment Acquisition Restriction thus needs to be credited.