Marked price =Rs.4500
Rate of sales tax=6%
VAT paid by the retailer=Rs.81
C.P for the customer=Rs.4500
∴sales tax paid by the customer=6100×4500=Rs.270
VAT=sales tax paid by the customer-sales tax paid by the retailer
∴Sales tax paid by the retailer=tax paid by the customer-VAT
⇒270−81=Rs.189
C.P for trader=4500×189270=Rs.3150
Total amount paid by the trader=3150+6% of 3150
⇒3150+6100×3150
⇒3150+189=Rs.3339