You are spending $144 for new sweaters, T-shirts, and pants. Sweaters (s) cost $28, T-shirts (t) cost $14, and pants (p) cost $23, each. Which equation represents this situation?
A. 28s + 14t + 23p = 144
B. 14s + 28t + 23p = 144
C. 28s + 23t + 14p = 144
D. 14s + 23t + 14p = 144