Question 20 Not yet answered Marked out of 3.00 Engineeing Economy involves: O a. computing the principal and compound interest for different capital funds. O b. applications of interest rates to evaluate alternatives. O c. computing a specific economic measure of worth for estimated cash flows over a specific period of time. O d. comparing interest rates of proposalsQuestion 22 Not yet answered Marked out of 2.00 It is used to simplify routine engineering economy calculations. They are prepared from interests rates and time periods. They are arranged with factors across the top and number of periods n down the left side. This is the: O a. Table of functions. O b. Table of Formulas. O c. Excel Functions. O d. Table of factors