Q:18 I need the answers ASAP PLEASE

Guelph Amber University has found it necessary to minimise the parking lot costs. The university is now considering several alternative places for parking. This table shows the expected 1 points Save Answer annual costs and benefits of these alternatives. You may complete the columns regarding MC, MB and NB. (Figures in thousand dollars). Parking place Total cost Total benefits s Marginal cost per year per year Marginal Net benefits (MC) benefits (NB) (MB) Lot-1-East side 132 136 Lot-2-West side 146 152 Lot-3-North side 162 180 Lot-4-South side 180 204 Lot -5- First floor 200 224 Lot-6- Underground 246 242 Parking place Lot-6-Underground is A. Optimal because marginal benefits are the lowest B. Not justifiable because MC > MB and net benefits are negative C. The best parking place because of the minimum net benefits D. Beneficial because total benefits are maximum and more than total cost