Reginald Manages a Large Antique Mall Housing 200 Retailers

Reginald manages a large antique mall housing 200 retailers.Up until a year ago,his advertising was limited to signage along the local highway.For the past year,he has been advertising in antique magazines and regional newspapers,in order to increase total sales in the mall.How should Reginald begin with evaluating the results of his advertising campaign?

A) Compare the sales of this year to prior years
B) Count patrons
C) Inquire with vendors about loyal customers
D) Survey customers about their awareness of antique malls
E) All of these