Erin is responsible for creating both standardized and ad hoc reports for the VP of Global Sales. Her position is designed to help sales management utilize existing customer data to create added opportunities and create more accurate forecasts of future sales in each of the vertical and regional markets the firm serves. Erin would best be described as a$($n$)$

a$.$ sales engineer.

b$.$ inside sales representative.

c$.$ sales analyst.

d$.$ new$-$business sales support person.

e$.$ key account executive.