What is a break-even grade and how is it used in planning?

What is a break-even grade and how is it used in planning?

• A. The ore grade at which the project's NPV is zero; used to set cut-off grades and guide mining sequencing.
• B. The grade that minimizes total mining cost regardless of price.
• C. The grade at which the project becomes cash flow positive without considering NPV.
• D. The maximum ore grade that can be economically mined.

Answer: (A)