A DPACK report shows that a customer needs a design to handle 21,000 IOPS from all servers with a read/write percentage of 70/30. What will be the target back-end IOPS for a Dell EMC SC Series array design?

A. 21,000 IOPS

B. 25,200 IOPS

C. 27,300 IOPS

D. 35,700 IOPS