Calculating operating profit from retained earnings / profit for the year

Question 1

Retained earnings at end start of the year =

Answer 1

Add: profit for year (This may be missing figure)
Less: Dividends paid
Add: retained earnings at the start of the year

Question 2

Profit for the year =

mix around to get figure needed

Answer 2

Profit from operations (missing figure)
Subtract: finance costs (interest)
Subtract: tax charged on operating profit