On March 31, 2021, Raj.Inc. purchased the right to remove gravel from an old rock quarry. The gravel is to be sold as roadbed for highway construction The cost of the quarry rights was $267,300, with estimated salable rock of 33,000 tons. During 2021, Rajloaded and sold 4,500 tons of rock and estimated that 28,500 tons remained at December 31, 2021. At January 1, 2022, Raj estimated that 9,000 tons still remained. During 2022. Belotti loaded and sold 13,500 tons. Raj uses the units-of-production method. Raj would record depletion in 2021 of: (Do not round depletion rate per ton.)