A nurse is caring for a client who weighs 80 kg (176 lb) and is 1.6 m (5 ft 3 in) tall. Calculate her body mass index (BMI) and determine whether this client's BMI indicates that she is of a healthy weight, overweight, or obese.

A) BMI = 19.5 (Healthy weight)
B) BMI = 24.8 (Overweight)
C) BMI = 31.3 (Obese)
D) BMI = 35.5 (Obese)