求大佬帮忙分析一下效验码，已知前四位取反是金额
19.46
9A 07 00 00 00 00 00 00 00 00 00 00 07 00 00 A8
9A 07 00 00 00 00 00 00 00 00 00 00 07 00 00 A8
F2 8C 01 37 10 00 00 00 00 A8 84 00 00 00 00 F2
19.57
A5 07 00 00 00 00 00 00 00 00 00 00 07 00 00 B3
A5 07 00 00 00 00 00 00 00 00 00 00 07 00 00 B3
AE F2 02 36 46 00 00 00 00 8F 84 00 00 00 00 31
19.40
94 07 00 00 00 05 00 00 00 00 00 00 07 00 00 A7
94 07 00 00 00 05 00 00 00 00 00 00 07 00 00 A7
F7 8C 01 37 10 00 00 00 00 A7 84 00 00 00 00 F6

还有哪些没算出来？

求和就是检验位