Matador began doing business on January $1,2018,$ using the Percentage of Completion to record construction revenues. During $2022,$ Matador changed to the Completed Contract Method to record construction revenues to be consistent with industry practice. The bookkeeper used the Completed Contract Method for recording construction revenues in $2022.$ Determine the adjustment to ICO. Matador has a corporate tax rate of $30\%.$ The company compiled the following comparative data.

$\backslash$table$[[,\backslash$table$[[$Percentage of$],[$Completion$],[$Method$]],\backslash$table$[[$Completed$],[$Contract$],[$Method$]]],[2018,$$$600,000,$$$387,500$