Here is a list of daily necessities, depending on the kind of day you’re having... (prices in euros and US dollars):

McDonald’s Big Mac €2.55 $3.36
Snickers bar €0.45 $0.59
Loaf of white bread €0.45 $0.59
Litre of Estonian vodka €14.00 $18.47
Bottle of local beer (1/2 litre) €0.90 $1.19
20 Marlboros €3.00 $3.96
Public transport ticket €2 $2.17

Exchange rates (as of July 04, 2017):
$1 = €1.135
£1 = €0.878