Tamara needs to buy motor oil to fill 3 empty cylindrical barrels at her oil service center. Each barrel is 7ft deep and has a radius of 4ft. What is the volume of oil needed? Use 3.14

A. 1,055.04 ft
B. 4,220.16 ft
C. 602.88 ft
D. 1,406.72 ft

still 1055