Simon Company's year-end balance sheets follow. At December 31 Assets Cash Accounts receivable, net Merchandise inventory Prepaid expenses Plant assets, net Total assets Liabilities and Equity Accounts payable Long-term notes payable secured by mortgages on plant assets Common stock, $10 par value Retained earnings Total liabilities and equity Current Yr 1 Yr Ago 2 Yrs Ago 92,407 112,767 $ 30,633 $ 36,903 $ 38,810 62,662 49,234 83,648 52,964 9,399 4,145 264,108 235,447 10,267 283,721 $ 529,795 $ 456,720 $380,600 $ 135,877 $ 76,414 $ 49,737 102,590 162,500 128,828 $ 529,795 107,147 162,500 110,659 85,795 162,500 82,568 $ 456,720 $ 380,600 (1-a) Compute the current ratio for each of the three years. (1-b) Did the current ratio improve or worsen over the three year period? (2-a) Compute the acid-test ratio for each of the three years. (2-b) Did the acid-test ratio improve or worsen over the three year period?