Final answer:
Choate Corporation's current ratio is calculated by dividing its current assets ($492,000) by its current liabilities ($153,000), which equals a current ratio of 3.22.
Step-by-step explanation:
The current ratio of Choate Corporation is calculated by dividing current assets by current liabilities. The current assets include cash and marketable securities, accounts receivable, and inventory, which total $55,000 + $325,000 + $112,000 = $492,000. Current liabilities consist of notes payable due within a year and accrued expenses, summing up to $100,000 + $53,000 = $153,000. Therefore, the current ratio is = $492,000 / $153,000 = 3.22.