could you help me?

X Company no longer has the space necessary to produce all of its parts. A company has offered to supply one ofX Company's parts for $25.10 per unit. This year, production was 11,000 units; next year, production is expected to be 13,500 units. Total production costs for the part this year were: Materials $122,760 Direct labor 93,720 Variable overhead 64,680 Fixed overhead 41,910 Total $323,070 $5,448 of X Company's fixed overhead can be avoided if it buys the part. In addit , if X Company buys the part, it will be able to rent some equipment that will no longer be needed, to a company for $2,750. X Company is uncertain about its 13,500 unit production estimate for next year. At what level of production would X Company be indiFferent between making and buying the part next year