please answer all questions!

gst: 15%

3. Ramona's dry cleaning shows sales revenue of &76000 for the year. Ramona's GST-taxable expenses were $14960. How much should she remit to the government at the end of the year ? 4. A piece of property with a commercial building is acquired by H&A investments for $184000. If the land is valued at $2000 less than one-third the value of the building. How much of the amount paid should be assigned to land? 5. Sport Alive sold 72 pairs of ski poles. Superlight poles sell at $30 per pair, while ordinary poles sell at $16 per pair. If the total sales value was $1530, how many pairs of each type were sold