KIndly help solve this correctly. Please do not use Excel solver. Thank you.

Suppose you have a uniform series of $10,000 cash flows (each cash flow = $10,000) over the interval [1,10]. Based on an interest rate of 6%:

(a) What is the equivalent uniform series over the interval [11,20]?

(b) What is the equivalent uniform series over the interval [15,25]?

(c) What is the equivalent uniform series over the interval [8,18]?

(d) What is the equivalent uniform series over the interval [8,14]?

Kindly solve correctly with steps. I really want to know how to do this. Thanks for your help