Bonds/value of receiving one euro financial mathematics question

The following table shows information about three different bonds. All prices and cash flows are in euros, and all cash flows are received at the end of the relevant period

--------------------------------------PERIODS
----------------PRICE ------- 1 --------- 2 ---------- 3
BOND A ------ 95 -----------100 ---------0 ---------0
BOND B ------ 90------------10 --------- 110 ------ 0
BOND C ------ 85------------10 ----------10 ------- 110

What is the current value (price) of receiving one euro at the end of period 3?

Who can help me? I don't know where to start...