Open or Closed

My boss is having family from a foreign country stay with her for a few weeks. They needed sim cards for their international phones to be changed to United States ones or they would get no service. There is a local AT&T store that has the cards. My boss went there yesterday and at 11am the doors were shut. It was closed. She passed by again at about 1pm and the doors were still closed. I called them and it went to voicemail. At about 2pm she passed by them on her way home from shopping and saw a light on. The doors were now open. She went in and saw two young girls behind the counter. She asked what time they opened today and they said 10am. She said that the store was closed at 10am. They said they were open. She said that she was at the door, it was locked and the lights were out. They said they opened at 10am. She said she passed by and even called until 1pm and they were not there. They said they opened at 10am. They blatantly lied to her. Maybe they slept late or forgot they had to work. They both stuck to the story that they were opened. She just gave up.