Please solve all part sir

Trucks arrive randomly at the average rate of 5 per hour. A team of four warehouse workers can unload trucks at the rate of 10 per hour. What is the expected time in queue waiting to be unloaded?

A) 6.0 minutes

B) 25.0 minutes

C) None of them.

If you don't know the answer, don't response to any of the work. Do not repeat other answer in other post.!!

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If the annual demand for a product is 4000, ordering cost is $100 per order when order quantity is less than 500, $50 per order when order quantity is between 500 and 999, $0 per order when order quantity is 1000 or more, carrying cost is $2.00 per year per item based on the maximum inventory level, what is the economic ordering quantity?

A) 500

B) 1000

C) 317

D) None of them.

If you don't know the answer, don't response to any of the work. Do not repeat other answer in other post.!!

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If the annual demand for a product is 4000, ordering cost is $100 per order when order quantity is less than 500, $50 per order when order quantity is between 500 and 999, $0 per order when order quantity is 1000 or more, carrying cost is $2.00 per year per item based on the average inventory level, what is the economic ordering quantity?

A) 500

B) 448

C) 317

D) None of them.

If you don't know the answer, don't response to any of the work. Do not repeat other answer in other post.!!

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If the annual demand for a product is 4000, ordering cost is $100 per order, carrying cost is $2.00 per year per item based on the average inventory level, what is the economic ordering quantity?

A) 633

B) 448

C) None of them.

If you don't know the answer, don't response to any of the work. Do not repeat other answer in other post.!!