Current Attempt in Progress You have completed the field work in connection with your audit of Bridgeport Corporation for the year ended December 31, 2020. The balance sheet accounts at the beginning and end of the year are shown below. Dec. 31, 2020 Dec. 31, Increase or 2019 (Decrease) Cash $291,795 $312,900 ($21,105 ) Accounts receivable 492,895 370,650 122,245 Inventory 778,785 640,500 138,285 Prepaid expenses 12,600 8,400 4,200 Investment in subsidiary 116,025 0 116,025 Cash surrender value of life insurance 2,419 1,890 529 Machinery 217,350 199,500 17,850 Buildings 561,960 428,295 133,665 Land 55,125 55,125 0 Patents 72,450 67,200 5,250 Copyrights 42,000 52,500 (10,500 ) Bond discount and issue cost 4,727 0 4,727 $2,648,131 $2,136,960 $511,171