ITEMNMBR    QTY
00378       1000

ITEMNMBR    QTYREC    QTYSOLD    UNITCOST
00378       500       125        0.45
00378       250       0          0.55
00378       1000      0          0.75

ITEMNMBR    QTY    UNITCOST    TOTALCOST
00378       375    0.45        168.75
00378       250    0.55        137.50
00378       375    0.75        281.25          //This leaves the last price layer with 625 units remaining.

ITEMNMBR    QTY
05583       250

ITEMNMBR    QTYREC    QTYSOLD    UNITCOST
05583       500       125        0.2
05583       250       0          0.3
05583       1000      0          0.4

ITEMNMBR    QTY    UNITCOST    TOTALCOST
05583       250    0.2         50     //Leaves 125 units in the first price layer