Fixed-price retailer Dollar General has reported a sales increase of 10.8% to $3.21bn (£2.07bn), for the second quarter ending July 30.

Like-for-likes increased 5.1%, with customer traffic and average transaction amounts contributing to the like-for-like increases. Net income was $145.1m (£93.9m) for the second quarter, compared with net income of $93.6m (£60.6m) in the same period last year.

Dollar General chairman and chief executive Rick Dreiling said: “The combination of the right strategies, good execution and superior margin performance enabled us to effectively manage through a volatile quarter.”