Product price without tax not refresh

[pinci]

Hallo people , after changing the combination of products will change the price with dph, but the price without VAT will remain 0.01, anyideas?

 

 

Screen 

 

http://imgur.com/a/0HvDe

 

Link

 

http://odevypracovne.sk/tricka-kosele-mikiny/7367-potlac-loga-cena-sa-vypocita-po-vlozeni-do-kosika.html#/pocet_farieb_loga-1_farebne_logo/velkost_loga-male_logo_do_10x5cm_alebo_50cm2

Edited May 26, 2017 by pinci (see edit history)

[pinci]

Solved , add line to product.js 

  $('#pretaxe_price_display').text(formatCurrency(priceWithDiscountsDisplay * currencyRate /1.2, currencyFormat, currencySign, currencyBlank));