please help question iii

A commercial bank in Dar es Salaam, Tanzania, provided the following foreign exchange quoted on 30th April 2006 Spot 1 Year Forward TZS/ 2404 -2420 2456 - 2474 /Euro 0.4852 -0.4892 0.4956 -0.4966 TZS/US$ 1050 - 1060 1200 - 1260 ii. iii. Determine the one-year forward percentage bid-ask spread on the against the USS Calculate the spot and one year forward mid-prices for the against the Euro and determine the one year forward premium or discount on the Euro against the