please answer ASAP.

1 Solar Question Answer will be reviewed at 11:05am) Cost $43,778 Hurdle Rate is 6% Savings $5,000 cash per year for 18 Years 1. What is the Payback Period ? 2. What is NPV ? 3. What is the Internal Rate of Return ? Remember...... You must post your answers to the private chat to me as follows..... PB - x years NPV = $xxxxx IRR - xx% or "between x% and y%