Farmer Marley grows barley, and every year he risks losing his crop to drought, insects, or disease. Precautions such as proper soil preparation and the judicious use of water, fertilizer, and pesticide can reduce the risk of crop failure. The marginal benefit and marginal cost of these precautions are MB = 120 - 4A and MC = 20 + A, where A is the number of precautions.

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The Answer of Farmer Marley grows barley, and every year he risks losing his crop to drought, insects, or disease. Precautions such as proper soil preparation and the judicious use of water, fertilizer, and pesticide can reduce the risk of crop failure. The marginal benefit and marginal cost of these precautions are MB = 120 - 4A and MC = 20 + A, where A is the number of precautions.

Farmer Marley Grows Barley, and Every Year He Risks Losing