You are considering undertaking an investment that is expected to yield the following cash flows: Time (yrs.) Cash Inflow 0.00 ($8,010) 0.50 $1,001 1.00 $1,750 1.50 $2,501 2.00 $4,022 (a) What is your periodic (six month) rate of return? (b) What is your effective annual rate of return?