The county may give aid in one or more of the following ways:
(a) Contribute money.
(b) Acquire and deliver material.
(c) Furnish labor or engineering services.
(d) Loan its road building machinery.
(e) Sell any county property to any city within the county, without bid and upon such terms and conditions as the board of supervisors deems advisable.
(Added by Stats. 1947, Ch. 424.)