The following is a statement of earned surplus prepared by the company for $2020$ :

Balance, $1/1$

P $85,949$

Additions:

$\backslash$table$[[$Change in estimate of $2020,,],[,$ amortization expense,P $2,800,],[$Gain on sale of land,$18,350,],[$Interest income,$4,500,],[$Profit for $2020,13,{680}_{?},39,{330}_{?}$