Delbert Easterling agreed to work on straight commission earning 10% of his total sales. He had been making a salary of $295 per week plus a 10% commission on all sales over $3,500. Delberts total sales for this week were $6,700. What were Delberts gross earnings this week under the new arrangement of 10% of all sales? 6. Gross earnings: What would Delbert have earned if he had not changed to a straight commission of 10%? 7. Gross earnings: