Bid/Ask on Aussie Dollar Forward. Use the following spot and forward bid-ask rates for the U.S. dollar to Australian dollar (USD = AUD1.00) exchange rate, to answer the following questions: a. What is the midrate for each maturity? b. What is the annual forward premium for all maturities? c. Which maturities have the smallest and largest forward premiums? a. What is the mid-rate for each maturity? Calculate the mid-rate for each maturity below: (Round to six decimal places.) Days Bid Rate Ask Rate Mid-rate Period Forward US$/A$ US$/A$ US$/A$ Spot 0 0.98689 0.98715