How much is the investment in planting an acre of blueberries?

The planted blueberries are suitable for acidic soil rich in organic matter, and the average cost per mu is invested in 300 yuan, including the average costs of digging holes, planting, farm manure, irrigation, weeding, wintering and cold prevention, and management fees. It is 2600 yuan per mu; Blueberries per plant 15 yuan. You can plant 300 blueberries per mu, which will bear fruit in the third year and enter the peak period after the fourth year. The economic life of blueberry is 30-40 years, and the yield per mu after the harvest period is 1 1,000 kg. After entering the production period, the total cost per mu is 1 ten thousand yuan. When the fruit is ripe, the labor cost is 65 yuan, d, and 50kg is picked every day. That's the labor cost per mu. After the output, the output value of fresh blueberries is 30,000 yuan per mu according to the lowest market price of 30 yuan/kg. After entering the harvest period, after deducting various expenses, the net income per mu is 27870 yuan.