Which of the following actions would have no impactits current ratio?

1. Use cash to increase inventory holdings.
2. Reduce the company's days' sales outstanding to the industry average and use the resulting cash savings to purchase plant and equipment.
3. Use cash to repurchase some of the company's own stock.
4. Borrow using short-term debt and use the proceeds to repay debt that has a maturity of more than one year.
5. Issue new stock and then use some of the proceeds to purchase additional inventory and hold the remainder as cash.