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 perday 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: 350 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 + $3006Which statement best describes the coefficient of b?A. it is Mr. Brown's daily cost per student for campground rental and the camping gear.B. It is Mr. Brown's total cost per day for campground rental and the camping gear.C. It is Mr. Brown's total 3-day cost per student, with training, food, and miscellaneous expenses.D. It is Mr. Brown's daily cost per student, with training, food, and miscellaneous expenses.