In the quarter ended 31 March 20X2，Chas had taxablesales，net of sales tax，of $90,000 and taxable purchases，net of sales tax，of $72,000.
If the rate of sales tax is 10%，how much sales tax is due？（）

A.1,800 receivable
B.2,000 receivable
C.1,800 payable
D.2,000 payable

A.$31.50
B.$36.00
C.$39.00
D.$41.00

In the quarter ended 31 March 20X2，Chas had taxablesales，net of sales tax，of $90,000 and taxable purchases，net of sales tax，of $72,000.If the rate of sales tax is 10%，how much sales tax is due？（）