price1 = 100; //Product A
price2 = 200; //Product B
price3 = 50; //Product C
discount = 0.15;
price1 = price1 * (1-discount); //A with dicsount //=
price2 = price2 * (1-discount); //B with dicsount //=
price3 = price3 * (1-discount); //C with dicsount //=
vat=0.22;
price1 = price1 * (1+vat); //A total //=
price2 = price2 * (1+vat); //B total //=
price3 = price3 * (1+vat); //C total //=