Sally receives a payment of $1,400 in dividends on her shares in Westpac Bank. She receives this as a direct payment of $1,400 into her nominated bank account. Westpac send her a dividend notice advising that her dividend payment was $1,400 but she also has franking credits of $600 for this dividend payment. How much is Sallys assessable income on these dividends based on the Australian taxation system?