A book cost for R150 and sold for R180 how much is the profit

"in my opinion, we ought to stop making our own drums and accept that outside supplier's offer," said wim niewindt, managing director of antilles refining, n.v., of aruba. "at a price of $21 per drum, we would be paying $4.70 less than it costs us to manufacture the drums in our own plant. since we use 70,000 drums a year, that would be an annual cost savings of $329,000." antilles refining's current cost to manufacture one drum is given below (based on 70,000 drums per year):

The fiscal 2016 financial statements of nike inc. shows average net operating assets (noa) of $8,450 million, average net nonoperating obligations (nno) of $(4,033) million, average total liabilities of $9,014 million, and average equity of $12,483 million. the company's 2016 financial leverage (flev) is: select one: a. (0.477) b. (0.559 c. (0.323) d. (0.447) e. there is not enough information to determine the ratio.

Answer the following questions using the banker’s algorithm: a. illustrate that the system is in a safe state by demonstrating an order in which the processes may complete. b. if a request from process p1 arrives for (1, 1, 0, 0), can the request be granted immediately? c. if a request from process p