You bought a 1000 par value callable bond right after a coupon payment and paid 918 for it. You held it until it was called for 1100 (prior to maturity). The bond had a coupon rate of 9% payable semi-annually. The nominal yield rate convertible semi-annually was 10%. For how many years did you hold the bond

At the beginning, the international supermarket chain’s individual store in china has great authority to make major decisions, such s pricing, purchasing. now the company is planning to establish 4 purchasing centers by which the decision of purchasing will be made and purchasing activities will be taken for the individual store in the relevant regions. what challenges the company will face when it changes the purchasing mode?