A network administrator is tasked with dividing up a class C network among the QA, Sales, and Administration departments. The QA department is made up of 10 people, the Sales is made up of 28 people, and the Administration has 6. Which two subnets masks adequately address the QA and Sales departments? (Choose two.)

255.255.255.252 for QA
255.255.255.224 for Sales
255.255.255.240 for QA
255.255.255.248 for QA
255.255.255.0 for Sales