Part 1-(4 total - 2 marks each) NOTE: To receive full marks, you must show your calculations Use the following information to calculate your answer and place it in the space to the provided. Account May 31 un30 for the month of lune 47,000 34,000 Portion earned $21,000 a. Unearned Revenue Calculate: Total unearned revenue received during June Balance May 31 Account lun30 for 12,500 17,200 Cash payment received, 2,000 b. Accounts Receivable Calculate: New sales on account during June Part2 -(5 marks) Equipment with a cost of $103,000 has a useful life of four years. Using straight-line amortization, what is the book value after three years? Part 3-(3 marks) The phone expense of $1,000 was posted to the office equipment account in error for December 31. What is the effect of this error on the December financial statements