The Corporate Head Office Has Assigned the Subnet of 10

The corporate head office has assigned the subnet of 10.1.100.0/24 to a network technician. The technician wants to create subnets for the finance department, human resources, and IT. Given the following device counts: Finance: 70 devices Human resources: 38 devices IT: 16 devices Which of the following outlines how the technician should allocate the address space given?

A) Finance: 10.1.100.0/21 Human resources: 10.1.100.128/22 IT: 10.1.100.192/23
B) Finance: 10.1.100.0/23 IT: 10.1.100.192/21
C) Finance: 10.1.100.0/25 Human resources: 10.1.100.128/26 IT: 10.1.100.192/27
D) Finance: 10.1.100.0/26 Human resources: 10.1.100.128/27 IT: 10.1.100.192/28