8.10)

The table below contains the calculated annual equivalent cost for a defender and a challenger based on the market value and the maintenance cost: Challenger AEC Defender EOY AEC $21,114 $20,019 $16,560 $18,538 $21,993 $22,617 $23,174 $25,331 $25,557 $24,210 $23,110 $20,348 $18,085 $25,971 $26,533 $28,758 0 2 3 4 5 6 7