please answer all questions

Question 1) Identify the following rate statements as either nominal or effective: (Nominal - Effective) a) 5% per month compound weekly b) 5% per week compounded weekly (Nominal - Effective) c) Effective 5% per year compounded monthly (Nominal - Effective) d) Nominal 5% per month compounded daily (Nominal-Effective) e) 5% per year compounded quarterly (Nominal-Effective) Question 2) A professor at the Electrical Engineering Department at Taibah University planning for retirement after 30 years. He wants to have income of SR 10, 000 per year for 20 years with the first withdrawal beginning 30 years from now. If his retirement account earns interest at 8% per year, the annual amount he would have to deposit for 29 years beginning 1 year from now is? Question 3) Ahmed wants to purchase SR60, 000 worth of spare parts two years from now. At an interest rate of 20% per year-compounded quarterly, how much is the present worth of the equipment