Answer:
E. I, II and III.
Explanation:
Real exchange rate measure the price of foreign goods in comparison to the price of domestic goods. Basically, it can be used to compare the relative value of two baskets of goods in different countries; in this case, it is between Kenya and United States. If it becomes cheaper to buy Kenyan goods than in the U.S , the buyer will have get more for their buck. This means that the value of Kenya shillings has decreased relative to USD. The price of the same basket will be higher in the U.S and lower in Kenya ,making all choices correct.