Given the row array 15:5:25, complete the statement to create the following array: loanperiods = 15 , 20 , 25 15 , 20 , 25 15 , 20 , 25 15, 20 , 25 loanperiods = repmat(
a) repmat([15 20 25], 4, 1)
b) repmat([15; 20; 25], 4, 1)
c) repmat([15, 20, 25], 1, 4)
d) repmat([15, 20, 25], 4, 1)