a) If M = 3,000, P = 2, and Y = 12,000, what is velocity?b) Based on the quantity equation, if M = 100, V = 3, and Y = 200, then what is P?c) If inflation is lower than expected, briefly explain whether debtors or creditors will benefit and why?d) Using the classical dichotomy, briefly explain whether in the long-run changes in the money supply affect nominal wages, real wages, both, or neither.