Appendix E - Calculation of Differential

Example

Monthly interest factor .0148540152
Monthly payment per thousand $15.98
Payment per month

	Factor (.0148540152)		(Payment Per) '000$
March 1, 82				35,255.93
April 1, 82	523.69	39.70	563.39	35,216.23
May 1, 82	523.10	40.29	563.39	35,175.94
June 1, 82	522.50	40.89	563.39	35,135.05
July 1, 82	521.89	41.50	563.39	35,093.55
August 1, 82	521.28	42.11	563.39	35,051.44
	$2,612.46

Difference $1,459.14 ÷ 5 payments = $291.83