Use the excel spreadsheet to calculate the price of the 10 year AUD 1000 bond, with AUD 100 coupons for the case that the market yield (discount rate) is 10%. Always make an educated guess first: Should the price be higher or lower than with AUD 140 coupons? Because coupon / face value is now also 10%, you should be able to determine the price even without a calculator. Think if this bond is more, less, or equally attractive than putting AUD 1000 into a bank account at the market yield