4 . Based on the supply and demand model of the exchange rate, which of the following should cause the Philippine peso to appreciate? a. Concern abroad over the safety of Philippine toy exports. Ans: b. An increase in remittances {inflow of $} from Philippine workers abroad to their families at home. Ans: c. Repayment by the Philippine government of its foreign debt to the US. Ans: d. Increased imports by Philippine consumers of electronics made in Taiwan. Ans: e. An increase in Philippine savings that is used to purchase financial assets in Europe