2. In the equation cons, = B. + Binc +E; (i = 1,...,600), cons denotes consumption and inc denotes income. What is the residual for the 100th observation if cons/00 = 400.00 and fitted value cons:00 = 475.00? a) 875.00 b) 75.00 c) - 75.00 d) There is not enough information to conclude