Hi, here are the questions, thank you!

1. According to the expenditure approach, if Y is GDP, 0 is consumption, I is investment, G is government purchases, and N X is net exports, the national income identity can be written as: a)Y+CG=I+NX b)YO=I+GNX c)YC'GI=NX 2. If output is given by a CobbDouglas production function, real GDP is growing at 4%, the capital to labor ratio is constant, and the labor force is growing at 1.5%, what is the growth rate of the Solow residual? a) 1.5% b) 2.5% e) None of the above