Calculate amount of mediciness consumed the year ended 131st March 2019:
`{:(,,"Rs"),("Opening Stock of Medicines",,"1,00,000"),("Opening Creditors for Medicines",,"90,000"),("Cash Purchases of Medicines during the year",,"3,00,000"),("Closing Stock of Medicines",,"1,50,000"),("Closing Creditors for Medicines",,"1,30,000"):}`