Final answer:
The current ratio for Kramer Industries is D. 7.15.
Step-by-step explanation:
The current ratio measures a company's ability to pay off its short-term liabilities using its short-term assets. It is calculated by dividing the company's current assets by its current liabilities.
To find the current ratio for Kramer Industries, we add up their cash, net accounts receivable, short-term investments, and inventory, which gives us a total of $143,000.
Next, we divide this total by their current liabilities of $20,000, giving us a current ratio of 7.15. Therefore, the correct option is D. 7.15.