What is the annual profit of the water washing plant with an investment of 400,000 yuan?

Invest 400,000 yuan to open a washing plant. If 250,000 yuan is equipment, it should be at least two 100kg water washing machines, working 10 hour a day and washing 800 sets of linen. If a set of linen is charged according to 5 yuan, the daily income is 4,000 yuan, the monthly output value is 1.2 million, and the profit is generally 30%-35%. The monthly profit is more than 70,000 yuan. If your expenses are higher than those in 5 yuan, your profits will be higher. Of course, if it is lower than 5 yuan, the profit will be reduced accordingly!