What procedures must be described in an agreement called an "assurance of compliance" with a U. S. federal agency?

a. Procedures in place to outline how subjects will be randomized.
b. Procedures in place that ensure that subjects will be protected in a manner commensurate with the Common Rule, including review by an independent committee comparable to an IRB.
c. Procedures in place to ensure that the research complies with ethical principles (such as, the World Medical Association’s Declaration of Helsinki).
d. Procedures in place to outline how unanticipated problems will be reported to the local IRB.

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?