Katie had a high monthly food bill before she decided to cook at home every day in order to reduce her expenses. She starts to save $640 every year and plans to renovate her kitchen. She deposits the money in her savings account at the end of each year and earns 13% annual interest. Katie's savings are an example of an annuity. If Katie decides to renovate her kitchen, how much would she have in her savings account at the end of four years? O$3,507.37 O $1,903.66 o $2,638.29 o $3,103.87 If Katie deposits the money at the beginning of every year and everything else remains the same, she will save by the end of four years