Keen beans, a leading coffee roaster, anticipated that the prices of coffee beans from costa rica, where its main suppliers were located, would double in less than three years. this would significantly affect keen beans' profit margins. thus, keen beans decided to develop a new partnership with a supplier in indonesia. as predicted, the price of costa rican coffee beans increased twofold. because the price of indonesian coffee beans was much lower, keen beans was able to maintain its profit margins in turbulent times. which of the following isolating mechanisms does this scenario best illustrate? a) intellectual property protectionb) causal ambiguityc) time compression diseconomiesd) better expectations of future resource value