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- <script>
- function bereken()
- {
- var aantal1 = parseInt(document.getElementById("aantal_prod1").value);
- var aantal2 = parseInt(document.getElementById("aantal_prod2").value);
- var aantal3 = parseInt(document.getElementById("aantal_prod3").value);
- var sub1 = aantal1*3;
- var sub2 = aantal2*2.5;
- var sub3 = aantal3*3.5;
- var sub = sub1+sub2+sub3;
- var btw = sub*0.21;
- var totaal = sub + btw;
- document.getElementById("subtotaal").innerHTML = sub;
- document.getElementById("btw").innerHTML = btw;
- document.getElementById("totaal").innerHTML = totaal + "€";
- }
- </script>
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