The state is paying for 72 percent of the $8.5 million bond issue.
Private insurance paid for 85 percent of the operations.
At one point, the revenue from the utility paid for 90 percent of the school budget.
The city and the counties pay for about 15 percent of the state's $44.5 billion program, an arrangement without parallel in any other state.
Whitney said it would pay $21.50 a share in cash for 79 percent of Prime's common stock.
Under the proposal, it would pay for 75 percent.
"The state paid for about 70 percent of it."
Georgia pays for 26 percent of the program, or $12 million.
The state now pays for 29 percent of the costs.
Twenty-two years later, the gift paid for 55 percent of construction costs.