what is the answer?

A firm has $450 in inventory, $700 in fixed assets, $50 in accounts receivable, $210 in accounts payable, and $60 in cash. What is the amount of the current assets? $510 $560 O $600 $660 $720 Use the following to answer questions 3-4: Nabors, Inc. 2011 Income Statement ($ in millions) $9,610 6,310 1,370 1,930 Net sales Less: Cost of goods sold Less: Depreciation Earnings before interest and taxes Less: Interest paid Taxable Income Less: Taxes Net income 630 $1,300 455 $ 8.45 Nabors, Inc. 2010 and 2011 Balance Sheets ($ in millions) 2010 2011 2010 2011 3,055 Cash Accounts rec. Inventory Total Net fixed assets $ 310 $ 405 2,640 3,275 3,850 $ 6,225 $ 7,310 10,960 10,670 Accounts payable Notes payable Total Long-term debt Common stock Retained earnings Total liab.& equity $ 2,720 100 $ 2.820 7,875 5,000 1,490 $17.185 $ 2,570 0 $ 2,570 8,100 5,250 2,060 $17,980 Total assets $17.185 $17.980