It was reduced by $42.00 by the end of the seven weeks.
29035 is to the right of 0.
-1349 is to the left of 0.
so, the distance between them:
29035 - (-1349) = 29035+1349 = 30384
9.95×4=39.80
12.95×2=25.90
15.95×2=31.90
39.80+ 25.90+31.90=97.60
97.60×.18=17.56
97.60+17.56=$115.16 without tax and 18% gratutity