Please help correct the red part with detailed solution

Problem 10-5A At December 31, 2017, Grand Company reported the following as plant assets. 3,770,000 Land Buildings Less: Accumulated depreciation-buildings 11,900,000 15,970,000 Equipment Less: Accumulated depreciation-equipment 4,850,000 43,520,000 $27,870,000 48,370,000 Total plant assets $63,260,000 During 2018, the following selected cash transactions occurred. April 1 May 1 June 1 July 1 Purchased land for $2,120,000. Sold equipment that cost $930,000 when purchased on January 1, 2014. The equipment was sold for $558,000 Sold land purchased on June 1, 2008 for $1,490,000. The land cost $394,000. Purchased equipment for $2,480,000. Dec. 31 Retired equipment that cost $508,000 when purchased on December 31, 2008. No salvage value was received