Can someone help me? The solution my professor gave is confusing me. I think there is a typo in the problem also! It says that it compounds annually, but since it is a nominal interest rate (and she calculates effective monthly interest rate) I think it should be compounding monthly.

Here's her solution too if it helps!

L 3.a) [5pts] After your last internship at the Ramblin' Wreck Oil Corporation, you decided to put part of your salary into a savings bank account that pays a nominal annual interest of 12% which compounds yearly. Your initial deposit will be $5,000.00 followed by 12 monthly deposits of $100.00. After that, you are thinking to withdraw all your money in six consecutive and equal monthly transactions. Calculate the amount of money you will be withdrawing monthly. . Solution 3a. To calculate ilmoithly: . ." Volti ... Valstl yeah) => in +0.127.2 4.0.949% Cash flow: 5000 + soo 9.0094970-17 A(9.00949) - 1 (0.00949)( 100949% (0.00949). (.00949)6 (1700949) => A $1 482.04 L 3.a) [5pts] After your last internship at the Ramblin' Wreck Oil Corporation, you decided to put part of your salary into a savings bank account that pays a nominal annual interest of 12% which compounds yearly. Your initial deposit will be $5,000.00 followed by 12 monthly deposits of $100.00. After that, you are thinking to withdraw all your money in six consecutive and equal monthly transactions. Calculate the amount of money you will be withdrawing monthly. . Solution 3a. To calculate ilmoithly: . ." Volti ... Valstl yeah) => in +0.127.2 4.0.949% Cash flow: 5000 + soo 9.0094970-17 A(9.00949) - 1 (0.00949)( 100949% (0.00949). (.00949)6 (1700949) => A $1 482.04