A firm practices a pure level strategy that sets the production level at the average demand over the next four periods. Inventory last quarter was 0. The extra units produced are stored in a warehouse. The extra units needed are subcontracted. Demand over the next four quarters is estimated to be 857, 888, 1,061, and 885. Production cost is $16 per unit, and Inventory cost is $3 per unit. How much inventory does the firm accumulate during the first period? keep two decimals if not exact, either round up or down is ok. For example, for 0.1346, (0.13 or 13) and (0.14 or 14) are correct