var bw_pages_c = 0.05;
var c_pages_c = 0.38;
var discount = 5;
var hard_bound_1 = 24;
var hard_bound_2 = 19;
var soft_bound_1 = 12.2;
var soft_bound_2 = 10.5;
var wiro_bound_1 = 7.5;
var wiro_bound_2 = 6;
var cloth_c = 5.5;
var plastic_c = 1.6;
var plastic_cd_c = 1;
var non = 0;
var onethree = 12;
var royal = 22;
var ownvan = 15;
var highlands = 25;
var non_c = 0;