please solve both ' I'm stuck

Q23. At 50% working raw material cost increases by 2% and selling price falls by 2% at the 80% working, raw material cost increases by 5% and selling price falls by 5%. At 50% capacity working the product costs rs. 180 Per unit and is sold at rs. 200 Per unit. The unit cost of rs. 180 Is made up as follows: material labour factory overhead administrative overhead Q24. Following are the ratios to trading activities of national traders Itd. Debtors velocity 3 months stock velocity 8 months creditors velocity 2 months gross profit ratio 25 % gross profit for the year ended 31st?dec. 2007 Amounts to rs. 400000. Closing stock of the year is rs. 10000 Above the opening stock. B/r amounts to rs. 25000 And b/p to rs.ia 10000. Calculate, sales, debtors,closing stock, creditors