Answer:
14080
Explanation:
First : 7000 x 1.15 = 8050
Second : 8050 x 1.15 = 9275.5
Third : 9275.5 x 1.15 = 10646.125
Fourth : 10646.125 x 1.15 = 12243.04375
5th : 12243.04375 x 1.15 = 14079.5003125
And that is rounded to 14080
:D Plz tell me if there is more easier way :D