please can you help me with these two question by tommorrow.

Q1.Russel is paid a basic rate of 3pounds 20 per hour and a 12.5% commision on sales.

How much is he paid if he works 35 hours and makes sales of 450pounds during 1 week.

Q2. Clancy buys a new gas cooker on credit. He pays 25% deposit and 24 monthly payments of 15pounds 75 pence

work out

a) the total cost of buying the cooker on credit

b)the amount Clancy would save if he bought the cooker with cash