Can someone please explain to me how to do this in detail? Im having alot of trouble with the process

"A cash flow series called "ENGM" consists of the cash flows given in the table below. Cash Flow Series ENGM The interest rate is 5% compounded annually. (a) The equivalent Present Value of the whole "ENGM" cash flow series at the given interest rate is ? (b) There is another, uniform series of cash flows, called "401" and presented in the table below. Cash Flow Series 401 Cash flow series "ENGM" and "401" are equivalent at the interest rate given above. The unknown value of the uniform series "401" that satisfies the equivalence (A) is