During a four-week period, you worked the following hours: Week 1- 363 /8 hr; Week 2- 411 /4 hr; Week 3- 401 /2 hr; Week 4- 383 /8 hr What is the average number of hours you worked in one week?
A. 39 3 /8 hr
B. 38 1 /4 hr
C. 39 1 /8 hr
D. 38 3 /4 hr