Question 3 is where I am having issues!

Thomas Corporation produces heating units. The following values apply for a part used in their production (purchased from external suppliers): D-5,445 Q 165 P 24 C- 2.40 Required: 1. For Thomas, calculate the ordering cost, the carrying cost, and the total cost associated with an order size of 165 units. If required, round your answers to the nearest cent. 792 198 990 Ordering cost Carrying cost Total cost 2. Calculate the EOQ and its associated ordering cost, carrying cost, and total cost. If required, round your answers to the nearest cent. EOQ Ordering cost Carrying cost Total cost 330 units 396 396 792 . What if Thomas enters into an exclusive supplier agreement with one supplier who will supply all of the demands with smaller, more frequent orders? Under this arrangement, the ordering cost is reduced to $0.24 per order Calculate the new EO