Consider the following daily sales figure in a big clothing store: [Day, Week 1, Week 2, Week 3, Week 4] [Monday, 43, 51, 40, 64] [Tuesday, 45, 41, 57, 50] [Wednesday, 22, 37, 30, 33] [Thursday, 25, 22, 3__. Which value completes the dataset?
A) 23
B) 18
C) 30
D) 21