please answering this 3 question. thank u

1. Principal: 2000 The period of deposit in the bank is 4 year Simple Interest rate: 5% What is the future value (total principal and interest) after 4years? (Required) 2. Principle: 2000 Interest rate: 5%(annualized) Compounded annually (once a year) The period of deposit in the bark is 4 year Round off to the nearest whole number (E.g., 2004.2-2004 : 203.5=204) (Required) 3. Principal:1000 Number of compounding periods per year: 4 The period of deposit in the bank is 2 year Interest rate: 20% What is the future value (total principal and interest) after 2 years? Round off to the nearest whole number (Required)