On March 31, 2021, M. Belotti 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 $291,600, with estimated salable rock of 36,000 tons. During 2021, Belotti loaded and sold 5,900 tons of rock and estimated that 30,100 tons remained at December 31, 2021. At January 1, 2022, Belotti estimated that 11,800 tons still remained. During 2022, Belotti loaded and sold 17,700 tons. Belotti uses the units-of-production method. Belotti would record depletion in 2021 of:

Mr. beautiful, an organization that sells weight training sets, has an ordering cost of $40 for the bb-1 set. (bb-1 stands for body beautiful number 1.) the carrying cost for bb-1 is $5 per set per year. to meet demand, mr. beautiful orders large quantities of bb-1 seven times a year. the stockout cost for bb-1 is estimated to be $50 per set. over the past several years, mr. beautiful has observed the following demand during the lead time for bb-1: demand during lead time probability40 0.150 0.260 0.270 0.280 0.290 0.1total 1.0the reorder point for bb-1 is 60 sets. what level of safety stock should be maintained for bb-1?