P$3-12$ Ratio comparisons Robert Arias recently inherited a stock portfolio from his uncle. Wishing to learn more about the companies in which he is now invested, Robert performs a ratio analysis on each one and decides to compare them to each other. Some of his ratios are listed below.

$\backslash$table$[[$Ratio$,\backslash$table$[[$Island$],[$Electric Utility$]],\backslash$table$[[$Burger$],[$Heaven$]],\backslash$table$[[$Fink$],[$Software$]],\backslash$table$[[$Roland$],[$Motors$]]],[$Curnent ratio,$1\mathrm{.}10,1\mathrm{.}3,6\mathrm{.}8,4\mathrm{.}5],[$Quick ratio,$0\mathrm{.}90,0\mathrm{.}82,5\mathrm{.}2,3\mathrm{.}7],[$Debt ratio,$0\mathrm{.}68,0\mathrm{.}46,0\mathrm{.}0,0\mathrm{.}35],[$Net profit margin,$6\mathrm{.}2\%,14\mathrm{.}3\%,28\mathrm{.}5\%,8\mathrm{.}4\%$