A certain workbench is on sale for 4 dollars off of its regular price. Normally the bench sells for 29 dollars. With the sale, how much does the bench cost?

b + 29 + 4

B. b = 29 + 4

C. b = 29 - 4

D. b - 29 = 4

E. b - 4 = 29

F. b + 29 = 4