Please provide how go calculate Cost

Problem 15-1A (Algo) Recording and adjusting trading debt securities LOP1 Kirkland Company had no trading debt securities prior to this year, It had the following transactions this year involving trading debt securities. August 2 Purchased Verizon bonds for $36, e9e. September 7 Purchased Apple bonds for $61,0e0. September 12 Purchased Mastercard bonds for $46,000. October 21 Sold some of its Verizon bonds that had cost $3,300 for $3,400 cash. October 23 Sold some of its Apple bonds that had cost $41,600 for $41,400 cash. November 1 Purchased Walmart bonds for $66,000. December 18 sold all of its Mastercard bonds for $44,000cash. Required: 1. Prepare journal entries to record these transactions. 2. Prepare a table to compare the year-end cost and fair values of its trading debt securities. Year-end fair values: Verizon, $34,500 Apple, $35,000; and Walmart, $52,000 3. Prepare the adjusting entry to record the year-end fair value adjustment for the portfolio of trading debt securities Answer is not complete. Complete this question by entering your answers in the tabs below. Prepare a table to compare the year-end cost and fair values of its trading debt securities. Year-end fair values: Verizon, $34,500; Apple, $35,000; and Walmart, $52,000