A farmer has 3 fields. Field A produces 450 kg of wheat per hectare. Field B produces 380 kg per hectare. Field C produces 520 kg per hectare. Field A is 12.5 hectares, Field B is 8.3 hectares, and Field C is 15.7 hectares. The farmer sells wheat at $0.32 per kg but pays $180 per hectare in costs. Calculate the total revenue, total cost, and net profit. Show your work step by step. Give the final answer as a JSON object with keys "total_revenue", "total_cost", "net_profit", all as numbers rounded to 2 decimal places.