Simon Companys year-end balance sheets follow. At December 31 Current Yr 1 Yr Ago 2 Yrs Ago Assets Cash $ 35,477 $ 40,656 $ 40,669 Accounts receivable, net 98,790 71,148 56,461 Merchandise inventory 129,280 93,077 60,738 Prepaid expenses 11,089 10,886 4,659 Plant assets, net 314,876 292,433 260,973 Total assets $ 589,512 $ 508,200 $ 423,500 Liabilities and Equity Accounts payable $ 151,192 $ 85,027 $ 55,343 Long-term notes payable secured by mortgages on plant assets 109,720 116,886 93,594 Common stock, $10 par value 162,500 162,500 162,500 Retained earnings 166,100 143,787 112,063 Total liabilities and equity $ 589,512 $ 508,200 $ 423,500 (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?