When BC=AD, it is the same for seller and buyer. Otherwise, Diff=2(A+B)/(C+D)-A/B-C/D=CD(BC-AD)/(D^2-C^2) If D>C, A>B, Diff<0, the seller is losing money.www.ddhw.com If D>C, A If D>C, AAD, the seller is making more money. If DB, Diff>0, the seller is making more money. If D If DAD, the seller is losing money. www.ddhw.com |