Operations management help needed, I will like or give thumbs up if answer is correct

The following is the forecasted demand for Olives Company over the next few months. Olives Company plans on using a constant production of 9,250 units a month at a $120 per unit cost. The company has an inventory balance of 300 units at the beginning of January. Stockout cost due to loss sale is estimated to be $130 per unit. Monthly inventory holding cost are $3.50 per unit. ABC can produce an additional 10% of its regular production in overtime at the cost of $80 more per unit. Assume that Olives Company will avoid stockout if possible Under this plan how many units will Olives Company produce with overtime (answer to the nearest whole number)