Could someone show me how to do these questions please. Please show your work that would be awesome. Also if this is too many questions answer what you can!

1. A piece of land produces an income that grows by 6% per annum, forever. If this year's income is $1000, what is the value of the land? Interest rate = 7%
2. You must pay $10,000 a year in school fees at the end of each of the next six years. How much do you need to set aside today to cover these bills? Interest rate = 7%
3. A bank loan requires you to pay $50,000 at the end of each of the next eight years. What is the present value of these payments? Interest rate = 7%