Windshield pitted

Purchased 2014 Volvo S80 from Carmax Riverside. Did not notice windshield pits until 1 month later. Purchased car in evening therefore pits not visible. Driving toward sunlight, pits are very visible and all across windshield. Should Carmax assist me with a discount to fix windshield? Also should windshield be replaced? Cost of windshield around $500.00. Is price reasonable? Thank you.