How do you set up for excel and solve in excel creating a math formula and using an excel formula and creating a VBA formula how to solve this

I need to make a mathematical formula and i need to use the preset excel functions and create VBA. three formulas on each question but each question should have the same answer three times

5. Makayla is 35 years old today, and she has decided it is time to plan seriously for her retirement. Makayla wants to save $10,000 per year for her retirement starting next year. She expects her salary to increase each year so that she will be able to increase her savings by 4.0% per year. Makayla can earn 8% per year on her retirement savings account. In today's dollars, how much will Makayla have saved at age 65 (on the day of her retirement)? 5. Makayla is 35 years old today, and she has decided it is time to plan seriously for her retirement. Makayla wants to save $10,000 per year for her retirement starting next year. She expects her salary to increase each year so that she will be able to increase her savings by 4.0% per year. Makayla can earn 8% per year on her retirement savings account. In today's dollars, how much will Makayla have saved at age 65 (on the day of her retirement)