1. Viola wants to withdraw $8,000 each year from July 1, 2025 through July 1, 2029. The investment fund earns interest at a rate of 5%. In order to make these withdrawals, Viola will invest an annuity on July 1, 2021 through July 1, 2024. Calculate the annuity Viola needs to invest each year.

1. 11) Copper Company purchases a truck on January 1, 2021. According to the contract Copper will not make any payments in 2021, 2022 and 2023. Copper is to make an annuity payment of $5,000 starting December 31, 2024 through December 31, 2028. Assume an interest rate of 4%. Calculate the cost of the truck.