Arianna makes custom masks and she would like to offer a discount to try to increase her sales, but she doesn't know if she can without losing revenue. She tried before with the following results:

Original Quantity Sold = 80

New Quantity Sold = 104

Original Price = $10

New Price = $8.50

Calculate Arianna's elasticity using her previous data.Round your answer to two places past the decimal.Do not forget to include your negative sign if your elasticity is negative!

The elasticity for Arianna's masks is:?