MatLab Programming question

Count = 0: for a = 1: n for b = 1: n count = count + 1: end for b = 1: n for c = 1: n count = count + 1: end end for b = 1: n count = count + 1: end for b = 1: n for c = 1: n for d = 1: n count = count+1: end end end for b = 1: n count = count + 1: end end (a) Give a formula (which is a function of n) for the final value of count. (b) Insert the minimal amount of code possible to make count count up 1 at a time (ie. count = count + 1) twice as high as it is doing here. (Still start at 0, of course!)