Stair rails is a barrier along the open sides of stairways and platforms that prevent falling is
Answer: C
Explanation: average total cost is at its minimum
The best answer is:
C) <span>a choice that must be made due to scarcity.
A tradeoff occurs when you must choose between two or more things, selecting the best option given the constraints. Choosing what to spend your allowance on, for example, is involves a trade-off that you must make due to the scarcity of your allowance money (you don't have unlimited money). D is a tempting answer, but it does not define trade-off as well as C. </span>
Answer:
Answer letter C.
Trade in service can provide traditional and new export opportunities
Answer:
number of products to be purchased
Explanation:
A purchase order is prepared by a customer and addressed to a trader. The document instructs the trader to supply the customer with the goods stated in the purchase order document.
Before a customer writes the purchase order, an agreement is made on the quantity to be ordered. The trader has to confirm that they have the required quantity in the stores, or it will be availed within a reasonable time.
The price is agreed at the quotation stage. The customer first sends an inquiry, which the customer responds to with a quotation.