Carrolton Oil and Gas, an independent oil and gas producer, is approved to use a 20% of gross in-come depletion allowance. The write-off last year was $700,000 on its horizontal directional drill wells. Determine the estimated total reserves in barrels if the volume pumped last year amounted to 1% of the total and the delivered-product price averaged $75 per barrel.

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?