consider the glo bus simulation and answer this question. Which one of the following is NOT a factor in determining a company's unit sales and market share for action$-$capture cameras in a particular geographic region?

$1.$ Length of warranty period

$2.$ Advertising expenditures

$3.$ Mail$-$in rebates

$4.$ The number of camera models in the company$$s product line

$5.$ The number of retailers stocking and merchandising a company$$s brand in each region