For each of the cases given below, indicate what the numerical change means, and state whether the euro has appreciated or depreciated. a.The spot exchange rate changes from 450 euros per Mexican peso to 440 euros per Mexican peso. b. The spot exchange rate changes from 0.011 Mexican pesos per euro to 0.006 Mexican pesos per euro. c. The spot exchange rate changes from 1.48 euros per British pound to 1.51 euros per British pound.