A store offers a 10% discount on all merchandise as part of its anniversary sale.
 Select all statements that are correct.
 A jar that costs $10 will cost $11 after the discount.
 A bag that costs $30 will cost $27 after the discount.
 A shirt that costs $20 will cost $18 after the discount.
 A table that costs $50 will cost $55 after the discount.
 ( There can be multiple answers. )