QUESTION 13 hours = int (input ('Enter number of hours worked: ') ) # insert input validation loop here gross_pay = hours * 10 print ( 'Gross pay: ', gross_pay) Suppose we want the program to ask for number of hours worked repeatedly until it is within the range of 0 to 168, inclusive. Which of the following is the best input validation loop? OA # Answer A: while hours 168: print ('ERROR: Number of hours worked must be between ( and 168 ,) hours - int (input ( 'Enter number of hours worked last week: ") ) OB. # Answer B: while 168 > hours >- 0