If you have car A and car B, / @1 j) _" s6 x& `# N$ Y V0 r e+ k7 E2 XTotal Iusurance cost = Ins (for car A only) + Ins (for car B only) - Discount. ( ^9 S$ ^( o% `8 ~5 o0 I# N' Q. p 8 j6 E- z2 b7 w- uUsually the discount is about 20% of Ins(for car B only) of a couplr hundred $ " C2 b# Y4 B! G7 i" c. O' `# x0 }This is just from my memory. You can phone Ins company for details.