On July 1, 2016, Alpha Company purchased for $70,000, equipment having a service life of eight years and an estimated residual value of $10,000. Alpha has recorded depreciation of the equipment using the double-declining balance method.On December 31, 2019, before making any annual adjusting entries, the equipment was sold for $20,000.Use this information to prepare all General Journal entries (without explanation) required to record the sale event for December 31, 2019.

i dont know how to use the formula on it