A consumer has a utility function given by U(x1, x2)= 4x1+x2. Where x1 and x2 are the two goods he consumes. His income is m and the prices for the goods are p1 and p2 per unit.

1. find the consumers demand functions for the two goods. Are the goods normal or inferior?
2. if the prices for p1 and p2=1$ and income is 12$ find the optimal consumption bundle.