Mr. Brown is organizing a camping trip for the students in his scout troop. He has the following breakdown of how much it would cost him per day of the camping trip. Campground rental: $200 per day
Training Cost: $20 per student per day
Food Cost: $30 per student per day
Miscellaneous Expenses: $50 per student per day
Camping Gear Cost: $1,050 (one-time cost)
Mr. Brown's total cost for organizing a 3-day camping trip with b students is represented by the expression below.

$1,650 + $300b

Which statement best describes the coefficient of b?

A. It is Mr. Brown's total 3-day cost per student, with training, food, and miscellaneous expenses.

B. It is Mr. Brown's daily cost per student for campground rental and the camping gear.

C. It is Mr. Brown's daily cost per student, with training, food, and miscellaneous expenses.

D. It is Mr. Brown's total cost per day for campground rental and the camping gear.