For the third knot narrow Lisa drinks 4 beers while at a party from 6 PM to 8 PM making her BAC read over 0.08

. Lisa's BAC being over 0.08 means that she is legally intoxicated according to the blood alcohol content limit in most states. It is important for Lisa to refrain from driving or making any decisions that could be affected by her impaired state until her BAC returns to a safe level. It is crucial for her to stay hydrated, eat food, and wait for her body to metabolize the alcohol before engaging in any activities that require focus or coordination.