Young Tree Construction Company uses the percentage-of-completion method of accounting. In 2012, Young Tree began work under a contract with a contract price of $1, 500,000. Other details follow: Using the revenue-cost method acceptable to IFRS prepare a work paper showing: (a) the portion of the total contract price would be recognized as revenue in 2012 and 2013; (b) a complete set of journal entries for 2012 and 2013; and, (c) account balances as of the end of 2012 and 2013