In an overlapping generations model economy, the money supply increases as follows: Mt = 1.5Mt-1. The number of young people born in each generation changes according to the following rule: Nt = 1.25Nt-1 and the gross real interest rate is 1.5. Answer the following: a) Compute the gross and net inflation rates b) Compute the gross and net real rates of return on money c) Compute the gross and net nominal interest rates