Answer:
$20,000
Step-by-step explanation:
Given :
Total cost of inventory= $576,000
Upgraded cost of calculator =$170,000
Sold cost of calculator =$230,000
Present sales cost = $40,000.
The incremental revenue of the calculator of sales can be determined by

=$230,000 - $170,000
=$60,000
Therefore financial advantage to the company from upgrading to the calculators can be determined

=$20,000