A hospital performs 3 types of operations. The first type takes 30 minutes, and they charge $800 for it. The second type takes 1 hour, and they charge $1200 for it. The third operation takes 2 hours, and they charge $1600 for it. The hospital can schedule up to 45 total operations per day. Moreover, they have 2 operating rooms, each of which can be used for 12 hours per day. Determine how many of each type of operation the hospital would perform to maximize its revenue.

Number of 30 minute operations =

Number of 1 hour operations =

Number of 2 hour operations =