L1: 629*5=3145*0.89=2799.05→2799
L2: 388*3=1164
L4: 320*5=1600*0.93=1488
L5: 375*4=1500*0.89=1335
L6: 634*8=5072
L7: 329*12=3948
L9: 179*6=1074*0.97=1041.78→1041
Sum: 2799+1164=3963; +1488=5451; +1335=6786; +5072=11858; +3948=15806; +1041=16847
Tax: (16847+409)=17256*0.08=1380.48→1380
Total: 16847+409+1380=18636