if youre not an expert then dont answer, i need clear explaination.

-48 Creating a retirement fund Harry Brolin plans to retire after 38 years and wants to accumulate 180,000 when he retires. Harry plans to make equal, end-of-year deposits into a savings account paying 8% annual interest. a. What amount does he need to deposit every year to create 180,000 in 38 years? b. If Josh can afford to deposit only 700 per year into the account, how much will he have accumulated in 38 years