The annual salary to be paid to the city auditor shall be eight thousand six hundred and forty dollars ($8,640.00). In addition thereto, the city auditor shall be entitled to additional compensation for special projects requiring additional time, effort and expertise, including but not limited to general obligation and/or revenue bond financing in which the city may, from time to time, be involved. The terms and amounts of increased compensation for special projects will be agreed upon between the city auditor and the corporate authorities prior to the city auditor engaging in such special projects. (Ord. 1006 § 2 (part), 1992; Ord. 899 § 1, 1991: prior code § 2-15-7(A))