As a potential investor, you decide to conduct a comprehensive financial analysis on your investment target, Nvidia Corporation $($NVDA$).$ You collect its latest financial information. The current stock price is $$868\mathrm{.}17$ per share, with the total of $2,590$ million shares outstanding. Its latest income statement shows the revenues of $$60,922$ million, costs of $$16,620$ million, operating expenses of $$11,329$ million, interest expenses of $$257$ million, and the net income of $$29,760$ million. Its latest balance sheet shows the inventory of $$5,282$ million, total current assets of $$44,345$ million, total assets of $$65,728$ million, total current liabilities of $$10,631$ million, and total liabilities of $$22,750$ million. Answer the following questions based on the information given.

a$.$ What is the company$$s market$-$to$-$book ratio? The industry average market$-$to$-$book ratio is $33\mathrm{.}74.$ Based on your finding and the industry average, do you find the stock overvalued or undervalued?

b$.$ Compute the company$$s net profit margin and return on assets $($ROA$).$ Assume the corporate tax rate of $21\%.$

c$.$ What is its inventory turnover ratio? On average, how long does an inventory sit in the company before it is sold?

d$.$ Compute the company's current ratio. Based on the current ratio, do you see any potential red flag on its liquidity? Why or why not?