Waterway Industries has two divisions$-$Standard and Premium. Each division has hundreds of different types of tennis racquets and tennis products. The following information is available:

$\backslash$table$[[,\backslash$table$[[$Standard$],[$Division$]],\backslash$table$[[$Premium$],[$Division$]],$Total$],[$Sales$,$$$400000,$$$600000,$$$1000000$