In determining the accuracy and justification of your beliefs as a critical thinker, you should continually try to form and revise your beliefs so that you can understand the world in increasingly effective ways. Think of something that you have changed your belief about and explain why it changed. Consider the roles that believing and knowing, the concepts of knowledge and truth, and the direct experience of others have played in reevaluating your belief system. Please provide one well-written paragraphs explaining your position

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?