“I applied to a convenient but different company location.”

So I worked for like 4 years at this company and I quit to get a contract job then applied to come back once the contract ended but it was at a smaller location and wow how terrible lol. The pay was $13 and they didn’t want to pay more than that and then the role is supposed to be part time but she said to me “you have to have open availability to get the role and it says here you can only work 4 days a week” isn’t 4 days a week part time???? I asked her that and she said “well it’s actually not