Suppose the interest rate on the pound is 15% in London and the interest rate on the comparable Tanzania shillings investment is 10%. The pound spot rate is TSH 2400 and the one year forward rate is T

Suppose the interest rate on the pound is 15% in London and the interest rate on the comparable Tanzania shillings investment is 10%. The pound spot rate is TSH 2400 and the one year forward rate is TSH 2100 Required  Are there covered interest arbitrage? Show relevant computation  Is the covered interest differential in favour of London or DSM? (For calculations assume 1 million units of currency can be borrowed and invested)