I need the brief explanation for the calculation part.

Johnson & Johnson Lid is seeking a fully amortised commercial mortgage loan of $650,000 from the Commonwealth Bank of Australia. The conditions attached to the loan include an interest rate of 8% per annum, payable over five years by equal end-of-quarter instalments. Briefly explain what an amortised loan is. Calculate the quarterly instalment amount Woodside Petroleum Lid wants to issue euro commercial paper (ECP) into the London euro note market. The 90-day ECP issue has a face value of USD100 million and a yield of 5.75 per cent per annum. Calculate the amount that Woodside would raise. Assume that there are 365 days in a year. Show all working steps, including definition/description of the variables used in the formula. I