Please help for a thumps up. provide the answers with explanation.

in 14 Intervention in the foreign exchange market is the process of wered 5 Foto Select one a central barik buying or selling its currency in order to influence ts value. the government of a country prohibiting transactions in one or more currencien commercial banks in different countries coordinating efforts in order to stabila one or more currencies b. on 15 Why is the Sharpe Ratio important? ved out of Select one a. It is a more accurate measure of risk than standard deviation . b. It shows the relative desirability of cases c. It has been shown to be an accurato predictor of recessions d. It has been an accurate predictor of inflation e. It helps determine whether a stock is a value stock or a growth stock