How do you answer questions 14 and 15 thanks

not correctly Tuentity the individual's opportunity cost and (ll) two examples where the market price may not identify the social opportunity cost. Explain your reasons. Section C: 13. Suppose the U.K. government institutes a "Buy British" campaign, in order to encourage spending on domestic goods. What effect will this have on the U.K. trade balance? 14. What happens to the interest rate, income, consumption and investment when the government increases taxes? 15. Why cannot central banks precisely control the money supply? Explain how households and banks can limit a central bank's ability to increase the money supply. 16. Explain the roles of monetary and fiscal policy in causing and ending hyperinflations