What is the name of the capital budgeting model that compares the present value of the project's benefits to the present value of the project's costs? accounting rate of return payback discounted payback net present value internal rate of return

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.