I need help solving 8-11 please

The following data concerning the retail inventory method are taken from the financial records of Blake Company. What is the ending inventory at retail? If the ending inventory is to be valued at approximately the conventional retail inventory method, the calculation of the cost to retail ratio should be based on goods available for sale at: (a) cost(dollar amount) and (b) retail (dollar amount). What is the cost of ending inventory using the FIFO, LCNRV method? What is the cost of ending inventory using the LIFO Retail Method