Problem $2$: Cost statement, estimated cost and Price

The accounts of Steelsways Engineering Co$.$ Ltd show the following for $2013$:

a$.$ Show the works cost and total cost, the percentage that the works

overhead cost bears to the manul and machine labour wages and the

percentage that the establishment and general expenses bear to the

works cost

b$.$ What price should the company quote to manufacture a machine which,

it is estimated, will require an expenditure of Rs $8000$ on materials; and

Rs$.6000$ on wages, so that it will yield a profit of $25\%$ on the total cost or

$20\%$ on selling price