27 examiner trainees ×520 hours = 14,040 hours
                     14,040 hours ÷1,750 = 8.02 work-years
                     1 instructor ×520 hours ÷1,750 = .29 work-years
                     27 ×1,040 hours = 28,080 hours
                     28.080 hours ×.50 = 14,040 hours
                     14,040 hours ÷1,750 = 8.02 work-years
                     27 ×520 hours (balance of FY 1975) = 14,040 hours
                     14,040 hours ×.25 = 3,510 hours
                     3,510 hours ÷1,750 = 2.00 work-years
                     10 ×160 hours = 1,600 hours
                     1,600 hours ÷1,750 = .91 work-years
                     1 instructor ×160 ÷1,750 = .09 work-years
                     8.02 +.29 +8.02 +2.00 +.91 +.09 = 19.33 work-years total
                     19.33 - 2.61 (2.21 FY 1974 total training time ×1.18 increase in dispositions from
                        FY 1974 to FY 1975) = +16.72 work-years.