An algorithm is shown below. Which of the following statements more correctly explains on how this algorithm is designed and implemented? Question 8 Not yet answered Sum( Ar) { if (= r Marked out of 1.00 Flag question return A[ else { sum = 0 for i = (l tor) sum = sum + A[i] } return sum Select one: a. designed using reduce-and-conquer problem solving strategy and implemented using recursive structure O b. designed using divide-and-conquer problem solving strategy and implemented using recursive structure O c. designed using reduce-and-conquer problem solving strategy and implemented using iterative structure O d. designed using divide-and-conquer problem solving strategy and implemented using iterative structure