help with timelines and worksheet

n Financial Calculator: n 3 Sherwood purchased a house eight years ago for $150,000. Yesterday he sold the house for $300,000 What rate of interest did he earn? 0 2 i= + 1 PV PMT FV Financial Calculator: 1 PV PMT FV 3 +- 4. Poindexter purchased Widget-making machine for $1,000 (the market value of the good). Rather than paying cash, he agreed to make "five easy payments" of $400 per year to be paid at the end of each year. What interest rate is he paying? 0 1 2 3 1