16. Which MATLAB tool can be used to identify the parts of a program that consume the most execution time?(Ch 5) O a. task manager O b. iteration counter O c. profiler O d. stopwatch 17. The function reads ASCII files that are formatted into columns of data, where each column can be of a different type, and stores the contents of each column in a separate output array. This function is very useful for importing large amounts of data printed out by other applications.(Ch 5) 18. The textread function is much more useful and flexible than the load command. The load command assumes that all of the data in the input file is of a single type-it cannot support different types of data in different columns. In addition, it stores all of the data into a single array.(Ch 5) a. True b. False 19. MATLAB also includes built-in functions tic and toc. The tic function resets the elapsed time counter. The toc function returns the elapsed time since the last call to tic.(Ch 5) A a. True b. False 20. Always- - speed of the loop.(Ch 5) all arrays used in a loop before executing the loop. This practice greatly increases the execution