Read the text and answer the questions below.

The other day I was in my local supermarket, pushing the trolley and filling it with food for the week. I was bored with looking at the food, so I went to see if they had any DVDs. I saw that they had a new one with Ryan Gosling. There was a 50% discount on the DVD. It was a real bargain! So, I decided to buy it. There was a really long queue with people waiting to pay at the checkout. That was because the cashier was really slow.
1. The author went shopping at the ... .
2. The author was bored with ... .
3. The DVD was ... that day.
4. People were waiting at the checkout because the cashier ... .