Products price in product page sale issue

Hi, 
     Everything worked fine till now.

When I switch from the main currency to USD, the product becomes on sale only in the product page, the prices stays the same but it’s on sale with no reason.



How can I fix that?


Please help.

Thanks!

I didn't find the right solution from the Internet.

References:
wordpress.org/support/topic/products-price-in-product-page-sale-issue/

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