QUERTANUM Limited is a hypothetical company and is rapidly expanding software technology and software engineering company. The company is fairly well established in Australia but is now looking to set up operations across Asia and Europe over the next two years. For the financial year ending 31 December 2020 QUERTANUM has reported the following financial statistics.

QUERTANUM Limited	Financials for year ending 31 Dec 2000
Total assets	US$2,000m
Shareholders' Funds	US$600m
Net Debt	US$900m
Operating Revenue	US$190m
EBITDA	US$120m
Net Profit After Tax	US$40m
Annual Net Interest Expense	US$60m

Explain with reasons if the level of net debt is reasonable for XYZ at the current time.(9 marks)