Explain in details, it about swaps and derivatives, attempt if you sure please

PROBLEM - 1 Walgreens Boots Alliance sold Omani Rial 3,22,500 value spot to your customer at $167.43 per OMR & covered yourself in Uk stock exchange on the same day when the exchange rates were GBP 1 OMR 0.4901 0.4941 Local inter bank market rates for GBP were Spot GBP 1 80.71 80.86 Calculate cover rate and ascertain the profit or loss in the transaction. Ignore brokerage.PROBLEM - 2 HDIL Ltd. is a listed real estate development company in India, with significant operations in the Mumbai Metropolitan Region has an export exposure of HKD 12,00,000 payable August 31, 2014. Hong Kong Dollar (HKD) is not directly quoted against Indian Rupee. The current spot rates are: INR/GBP 82.05 HKD/GBP HKD 9.93 It is estimated that Hong Kong Dollar will depreciate to 10.89 level and Indian Rupee to depreciate against GBP to