a)Berbantukan rajah pasaran pertukaran asing, terangkan kesan peningkatan kadar bunga di Singapura ke atas kadar pertukaran ringgit Malaysia-dolar Singapura (RM-$S) dan nilai mata wang bagi kedua-dua negara.

With the aid of foreign exchange market diagram, explain the effect of an increase in interest rate in Singapore on the Malaysian ringgit-Singapore dollar exchange rate (MYR-S$) and currency value of both countries.