Which of the following are ways that a combination strategy can improve a company's position vis-a-vis Porter's forces? (Check all that apply.) Multiple select question. Integrating value-chain activities lowers costs so the company can better withstand increases by suppliers. Potential entrants may face high barriers if they do not have the financial or physical resources to compete head-to-head. Low pricing and a wide product selection reduces buyer bargaining power due to the lack of competitors that can provide comparable cost/value. Competitors may fail to accurately assess sources of revenue and profits that can be squeezed out of their value chain