At the end of 2020, Riverbed Corporation owns a licence with a remaining life of 10 years and a carrying amount of $536,000. Riverbed expects undiscounted future cash flows from this licence to total $541,800. The licences fair value is $431,700 and disposal costs are estimated to be nil. The licences discounted cash flows (that is, value in use) are estimated to be $483,500. Riverbed prepares financial statements in accordance with IFRS. Determine if the licence is impaired at the end of 2020. The licence at the end of 2020. Prepare any related entry that is necessary. (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.) Account Titles and Explanation Debit Credit Assume the recoverable amount is calculated to be $458,700 at the end of 2021. Determine if the licence is impaired at the end of 2021. The licence at the end of 2021. Prepare any related entry that is necessary. (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.) Account Titles and Explanation Debit Credit