求翻译：一饲养场每天投入4元资金用于饲料、设备、人力，估计可使一头80公斤重的生猪每天增加2公斤。目前生猪出售的市场价格为每公斤8元，但是预测每天会降低0.1元，问该场应该什么时候出售这样的生猪。如果上面的估计和预测有出入，对结果有多大影响。是什么意思？

A farm invested four yuan of funds for feed, equipment and manpower, it is estimated that allows a 80 kg pig is an increase of 2 kg per day. The current market price of live pigs for sale for 8 yuan per kg, but the forecast every day will be reduced to 0.1 yuan, and asked that the field should be wh

Keeping a daily $4 invested funds for animal feed, equipment, manpower, and estimated to be a head of 80 kg pigs increased by 2kg per day. Pigs are sold for the price, $8 per kilogram per day will reduce the projected at $0.1 and asked what should be the time of sale of such pigs. If the above does

A feed farm invests 4 Yuan funds to use in the feed, the equipment, the manpower every day, estimated may make a first 80 kilogram heavy live pig to increase 2 kilograms every day.At present live pig sell market price for each kilogram 8 Yuan, but forecast every day can reduce 0.1 Yuan, asked when t

Farm inputs 4 Yuan a day to feed, equipment, manpower is estimated to be 80 kilos of live pigs to 2 kilos a day. Pigs for sale price now stands at 8 yuan per kg, but forecast would reduce 0.1 Yuan a day, when should ask the farm sold the pig. If the above discrepancies in estimates and projections,

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