For Walmart's highly efficient US operations, now that we know the number of employees per store and the number of annual visits per store, please calculate how many visits each employee handles per store in a year.

In the US$,$ each employee handles $2000$ annual visits per store.

In the US$,$ each employee handles $5714\mathrm{.}91$ annual visits per store.

In the US$,$ each employee handles $8356\mathrm{.}69$ annual visits per store.

There is insufficient data in the case