A cupboard cost 700$ including transportation. After price increase of wood, the price of the cupboard was in increased in 15%, transportation price didn't change. The payment, including transportation in total 796$.
1. A customer wants to transport the cupboard by himself in order to save money.
Is the amount of money that the customer will save will be greater, the same or smaller after the price increased?
2. Mark as x the price of the cupboard itself, and express with x price of transportation.
3. Express with x the price of the cupboard itself after price increased.
4. Find the price of the cupboard itself before price increased, and the price of transportation.