Quark Industries has a project with the following projected cash$$ flows: LOADING... $.$

a$.$ Using a discount rate of $10\%$ for this project and the NPV$$ model, determine whether the company should accept or reject this project.

b$.$ Should the company accept or reject it using a discount rate of $15\%?$

c$.$ Should the company accept or reject it using a discount rate of $20\%?$