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Instant Brake Inc.$\text{'}$s comparative balance sheet information at December $31,2020$ and $2019,$ and its income statement for the year ended December $31,2020,$ are as follows:

$\backslash$table$[[,\backslash$table$[[$Instant Brake Inc.$],[$Income Statement$],[$December $31,2020]],],[$Sales$,$$$879,000,],[$Cost of goods sold.,$579,000,],[$Gross profit,$$300,000,],[$Operating expenses,$41,310,174,060],[$Depreciatioh expense,$5,460,125,940],[$Operating Profit,$13,020,],[$Loss on sale of equipment,,$133,500],[$Investment income,,$21,{000}_{?}$