Comprehension Passage
Directions: Study the following line and bar chart carefully and answer the questions given beside.
A bartender purchases 60 liters mixture of two types of liquor A and B such that their percentage composition in mixture is shown in the pie-chart. He purchases them weekly for his photographic experiments at the rates given in the line graph and after mixing them completely, sells it back to a manufacturing company and per litre price is given in the bar graph.
What will be the average cost of the mixture for the Bartender for the first three weeks?
1
3800
2
3915
3
3810
4
4210
5
None of these.