After T Hours on the Job, a Factory Worker Can $130 t e ^ { - 0.5 t }$

Multiple Choice

After t hours on the job, a factory worker can produce $130 t e ^ { - 0.5 t }$ units per hour. How many units does the worker produce during the first 4 hours? Round to two decimal places.

A) 211.12 units
B) 308.88 units
C) 731.12 units
D) 344.06 units