The foreign exchange rate between the Tanzanian shillings and the US dollar in 2014 was Tsh 2100/USD. At this time the price index in both Tanzania and US was 100 One year later 2015 the Tsh had depreciated at which the price index in the US remained the same and the price index in Tanzania has risen to 198 a. What was the nominal exchange rate in 2016 using price index? b. What was the appreciation or depreciation in value of the Tanzania shillings relative to the US dollar based on exchange rate computed in (a) above