On April 1, 2021, Pronghorn Corporation issued $392,000, 5-year bonds. On this date, Shoreline Corporation purchased the bonds from Pronghorn to earn interest. Interest is received semi-annually on April 1 and October 1 and Shoreline's year end is March 31. Below is a partial amortization schedule for the first three interest periods of the bond issue. Interest Received Interest Revenue Semi-Annual Interest Period April 1, 2021 October 1, 2021 April 1, 2022 October 1, 2022 $7.840 7,840 7,840 $6,151 6,126 6,100 Were the bonds purchased at a discount or at a premium? Bonds purchased at a discount premium What will the bonds' amortized cost be at the maturity date? Bonds' amortized cost at the maturity date $ What is the bonds' contractual interest rate? The market interest rate? (Round answers to 2 decimal places, e.g. 52.75.) Annual Semi-annual Contractual interest rate % % Market interest rate % % Prepare the journal entries to record the purchase of the bonds; the receipt of interest on October 1, 2021; the accrual of interest on March 31, 2022; and the receipt of interest on April 1, 2022. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) Date Account Titles and Explanation (To record purchase of investment.) (To record collection of interest.) (To accrue interest revenue.) (Collection of interest receivable.)