Clothing sale

This task is about percentages and discounts.
Tui's Fashions are having a clothing sale.
The table below lists the full price of the sale items and the percentage by which each item has been reduced.
 
a)
Complete the final column of the table by writing in the sale price for each item.
 
 
Item Full Price Sale Discount Sale Price
Jacket   
 $360 50%
 
 
i)   $ __________
Scarf   
 $100 30%
 
 
ii)  $ __________
Shirt   
 $80 5%
 
 
iii) $ __________
Shoes
 $200 7.5%
 
 
iv) $ _________
 
b)
 
Someone purchased a dress for $210 after it had been discounted by 30% in the sale. 
 
What was the full price of the dress before it was discounted?   $ __________