Please help with both. Thank you :)

Use Exhibit 18-1 to determine the sales tax (in $) and calculate the total purchase price (in $) for the item. (Round your answers to the nearest cent.) Item Selling Price Sales Tax Total Purchase Price Candy bar $0.94 Calculate the missing information for the purchase. Item Selling Price Sales Tax Rate Sales Tax (in $) Sofa $650.00 5 $ 69 Excise Tax Rate Excise Tax 0 Total Purchase Price (in $) $