If you have car A and car B, ; X2 S) M0 e% _. K9 Q* | / X' k: f- @) {2 QTotal Iusurance cost = Ins (for car A only) + Ins (for car B only) - Discount. ' C; s% v! m' G, E 0 E# c4 k. t! f9 A( t4 F4 ~Usually the discount is about 20% of Ins(for car B only) of a couplr hundred $ : [* v" \5 I/ \6 z$ n4 lThis is just from my memory. You can phone Ins company for details.