The total output from a production system in one day is $500$ units and the total labor necessary to produce the $500$ units is $350$ hours. Using the appropriate productivity measure, which of the following numbers represents the resulting productivity ratio?

$\backslash$table$[[1\mathrm{.}000],[0\mathrm{.}411],[1\mathrm{.}428],[$None of thesechoices are correct$],[0\mathrm{.}700]]$