Answer:
100 - 10 = 90 + 7 = 97%
89/100*97= $86.33
100 + 15 = 115 + 7 = 122%
50/100 X 122= $61
100 + 7
48/100 X 107 = 51.36
51.36 + 10= $61.36
100 + 15 = 115
700/100 X 115 = 805
805 - 700 = $105
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