1. Raw material cost:

① sawdust 4500 kg (0.2 yuan/kg) 900 yuan, ② wheat bran 400 kg 320 yuan, ③ nutrients 20 bags of 90 yuan, ④ gypsum 30 kg 15 yuan, ⑤ plastic bag 30 kg 240 yuan, ⑤ strain 80 kg 400 yuan, ⑦ disinfectant 100 yuan, ⑧ bagging 5 yuan, ⑨ others/kloc.

Total: 2080 yuan.

Two: disinfection fee, fuel fee in 350 yuan and labor fee in 500 yuan.

Output and output value: 1000 bags can produce 300-400 kg of dried mushrooms, the market price is 50-65 yuan/kg, and the output value per thousand bags is about 15000 yuan.

Fourth, time and cycle: it can be divided into spring seeds and autumn seeds. Spring seeds can be bagged from February to May, and mushrooms can begin to grow in June at 5438+ 10. In August, it was bagged for autumn sowing, and in February, it began to produce 65438 mushrooms.

Benefit analysis of verb (abbreviation of verb): 15000 yuan-(2080+850 yuan) = 12070 yuan.