Use the information to answer questions 334 and 35. .........................Departments ...........................P..........Q...........R Sales value.......

Use the information to answer questions 334 and 35.

.........................Departments

...........................P..........Q...........R

Sales value...............N?........₦23,400....N?

Selling expenses..........₦1,100....₦1,400.....₦1,280

Administrative expenses...₦1,400....₦1,000.....₦1,020

Cost of sales.............₦6,900....₦6,700.....₦5,500

Sales value of department Q doubles that of p, which is 1/3 of R. Depreciation which amounts to ₦1,800 is to be apportioned among the three departments in the ratio 3:5:7 respectively.

What is the sales value of department R?