4. At December 31, 2025, the following balances existed for MiCPA Corporation: The bonds mature on 12/31/30. Straight-line amortization is used. If 60% of the bonds are retired at 102 on January 1,2028 , what is the gain or loss on early extinguishment? Required Compute the answer for each of the four problems. Show supporting computation. No need to show the questions. Submission Instructions You must use Excel to complete your assignment. Present all answers on one worksheet within your file. Show supporting computations. Follow text examples for proper formatting Show only whole dollars, i.e., do not show cents. Dollar signs should be used only on the first and last line in a column of numbers. Use proper underlining, as follows: a. Single underline prior to a subtotal or total. b. Double underline for final totals