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CONTRACT LIABILITIES
12 Months Ended
Dec. 31, 2022
Contract Liabilities  
CONTRACT LIABILITIES

NOTE 7 – CONTRACT LIABILITIES

 

Contract liabilities consist of the following:

 

   2022   2021 
   December 31, 
   2022   2021 
         
Balance at beginning of year  $227,371   $532,456 
Additions   664,259    106,493 
Recognized to revenue during the year   (26,962)   (409,495)
Exchange adjustment   2,464    (2,083)
Balance at end of year  $867,132   $227,371