You would like to know the minimal level of sales needed for a project to be accepted based on

net present value. You should compute the sales quantity needed for the:

a$.$ Degree of operating leverage to equal zero.

b$.$ Net income to equal zero.

c$.$ Operating cash flow to equal zero.

d$.$ Discounted payback period to equal the life of the project.

e$.$ Payback period to equal the life of the project.