Painted Bulletins Are Very Costly,but Some Advertisers Overcome This Expense

Painted bulletins are very costly,but some advertisers overcome this expense by

A) moving them to different choice locations every two to three months.
B) repainting and modifying the display every 30 days.
C) using a mobile outdoor structure.
D) co-opting the costs with plant operators.
E) using three-dimensional displays that break through clutter.