As RBA ( Australia's central bank) increases interest rate, demand for Australian bonds which the demand for Australian dollar. As a result, Australian dollar and exports become relatively expensive. Select one: O a. falls, lowers, depreciates, more O b. falls, lowers, appreciates, less O c. increases, lowers, depreciates, less O d. increases, raises, depreciates, more O e. increases, raises, appreciates, more