Which sentence is punctuated correctly?
AMs. Sarah Davis is the president of the Gitmore Corp. and a good friend of Maj. Williams.
BMs Sarah Davis is the president of the Gitmore Corp. and a good friend of Maj. Williams.
CMs. Sarah Davis is the president of the Gitmore Corp, and a good friend of Maj Williams.
AMs. Sarah Davis is the president of the Gitmore Corp. and a good friend of Maj. Williams.
BMs Sarah Davis is the president of the Gitmore Corp. and a good friend of Maj. Williams.
CMs. Sarah Davis is the president of the Gitmore Corp, and a good friend of Maj Williams.