B has returned a punt 70 yards for a score early in the 3d qtr. Middle of 3d qtr, A is winning 28-14. 4th and 15 at the A-40. A's punt is downed at the B4. During the kick there was a personal foul against Team A. Does B take 1st and 10 at their 19 or do they make A go back and have a 4th and 30 at the A-25?