Study the pie charts given below and answer the following questions: 

If the price of tyres goes up by 25% by what amount should the sale price be increased to maintain the amount of profit?

Study the pie charts given below and answer the following questions: 

If all the costs increase by 10% and the selling price remains the same, by what percent will the profit be reduced?

Study the pie charts given below and answer the following questions: 

What is the profit percentage?

Study the pie charts given below and answer the following questions: 

If transmission cost increases by 10% and engine cost increases by 20%, what is the percentage contribution of transmission cost with respect to the total cost?

Study the pie charts given below and answer the following questions: 

If transmission cost increases by 20% by what amount is the profit reduced (total price of car remains same)?