Sec. 6. A city may provide for the support and maintenance of a hospital subject to this chapter as follows:
(1) Appropriate money to the hospital.
(2) Levy and collect a special tax not exceeding two and thirty-three hundredths cents ($0.0233) on each one hundred dollars ($100) valuation of the taxable property of the city.
(3) Give other aid and support to the hospital that the city council considers proper.