please help with 6 and 7. step by step. thank you

QUESTION 6 Mr. Moore is 35 years old today and is beginning to plan for his retirement. He wants to set aside an equal amount at the end of each of the next 25 years so that he can retire at age 60. He expects to live to the maximum age of 80 and wants to be able to withdraw $25,000 per year from the account on his 615 through his 80th birthdays. The account is expected to earn 10% per year (i.e. EAR=10%) for the entire period of time. Determine the size of the annual deposits that must be made by Mr. Moore. ANSWER: (Provide calculations) QUESTION Z Mr. Ramone has decided to put $2,400 a year (at the end of each year) into a retirement account over his 40 year working life and then retire. How much will Mr. Ramone have when he retires if the interest rate is 10% (i.e. EAR=10%)? A) $394,786 B) $23,470 C) $1,062,222 D) $810,917 ANSWER: (No explanation necessary)