Consider the following time periods:Time Periods..1...2...3...4Sales, in units: 12,000...13,000...15,000...10,000The time periods (quarterly) are for the third year of operations The desired ending inventory is 10% of the budgeted sales in units of the next period. How many units will be produced in the first time period, assuming the beginning inventory of the first time period is based on the desired ending inventory of the previous period?a. 12,100b. 13,300c. 11,900d. 15,500