Please correct the two sentences. Please!
1 That it for today. I will see you next class / in next class/ at next class.

2 Our store will refund the price differentiation if customers find the same product price in our store is higher than other stores.

Thank you so much.

Question

Please correct the two sentences. Please!
1 That it for today. I will see you next class / in next class/ at next class.

2 Our store will refund the price differentiation if customers find the same product price in our store is higher than other stores.

Thank you so much.

Answer

1 That's it for today. I will see you next class.

2 Our store will refund the price difference if customers find the same product cheaper elsewhere.

There are other ways to say 2 but I have written the version which is shortest and I often hear something like it.

Answer

1.So much for today. / Let's call it a day. I will see you next class.
2.price difference