In its first month of operations, Vaughn Manufacturing made three purchases of merchandise in the following sequence: (1) 340 units at $5, (2) 440 units at $7, and (3) 540 units at $8. Assuming there are 240 units on hand at the end of the period, compute the cost of the ending inventory under (a) the FIFO method and (b) the LIFO method. Vaughn Manufacturing uses a periodic inventory system.

The state in which the manufacturing company you work for is located regulates the presence of a particular substance in the environment to concentrations ≤ x. recently-released, reliable research endorsed by the responsible federal agency conclusively demonstrates that the substance poses no risks at concentrations up to 5x. your company has asked you to consider designing a new process with a waste discharge stream containing up to 2x of the substance. based on the stated conditions, describe this possible.