L1: 229*6=1374, *0.89=1222.86→1222
L2: 152*12=1824*.89=1623.36→1623
L4: 442*6=2652*.89=2360.28→2360
L5: 910*6=5460*.97=5296.2→5296
L6: 551*9=4959*.93=4611.87→4611
L7: 703*2=1406
L9: 362*8=2896*.89=2577.44→2577
Sum: 1222+1623=2845; +2360=5205; +5296=10501; +4611=15112; +1406=16518; +2577=19095.
Tax: (19095+340)=19435*8/100=1554.8→1554
Total: 19095+340+1554=20989