Omaha firm's Labor requirements over a six-period are as follows: The current workforce level is 9 workers. Use the spreadsheet approach and the preceding data to answer the following questions. Using a chase strategy with hiring and layoffs, but no overtime, the manager needs to hire ___x___ worker in period 1 and lay off ___y___worker in period 2. Period 1 2 3 4 5 6 Requirement 12 9 11 7 6 5 Find x and y. Group of answer choices x = 1; y = 3 x = 1; y = 2 x = 3; y = 3 x = 3; y = 2 x = 1; y = 1