Please show calculations, not just calculated answers. Also, please explain how to compute on BA ii Plus calculator in detail (all button presses).

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8. Implied interest rate and period Aa Aa Consider the case of the following annuities, and the need to compute either their expected rate of return or duration Jacob inherited annuity worth $2,947.32 from his uncle. The annuity will pay him four equal payments of $950 at an the end of each year. The annuity fund is offering a return of 9.57% 14.85% 12.98% Jacob's friend, Devan, wants to go to business school. While share some of the expenses, Devan still 11.00% But Devan has no money savea ror it yet. According to his calculations, it will needs to put in the rest on his own. cost him $22,866 to complete the business program, including tuition, cost of living, and other expenses. He has decided to deposit $5,000 at the end of every year in a mutual fund, from which he expects to earn a fixed 9% rate of return. It will take approximately years for Devan to save enough money to go to business school. 8. Implied interest rate and period Aa Aa Consider the case of the following annuities, and the need to compute either their expected rate of return or duration Jacob inherited annuity worth $2,947.32 from his uncle. The annuity will pay him four equal payments of $950 at an the end of each year. The annuity fund is offering a return of Jacob's friend, Devan, wants to go to business school. While his father will share some of the expenses, Devan still needs to put in the rest on his own. But Devan has no money saved for it yet. According to his calculations, it will cost him $22,866 to complete the business program, including tuition, cost of living, and other expenses. He has decided to deposit $5,000 at the end of every year in a mutual fund, from which he expects to earn a fixed 9% rate years for Devan to save enough money to go to business school. of return. It will take approximately 5.00 years 5.40 years 4.00 years 3.40 years