Fifty-five hundred crates of apples are in storage at 37°F. An additional 500 crates enter the storage cooler at a temperature of 85°F and are chilled to the storage temperature in 24 hr. The average mass of apples per crate is 60 lb. The crate has a mass of 10 ib and a specific heat of 0.6 Btu/(lb) (°F). Determine the product load in Btu per 24 hr.

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