Which of the following statements are accurate?

a$)$ Companies with aggressive working capital policies often have big cash reserves to take advantage of asset acquisition opportunities that may arise.

b$)$ Debtors$$ time lag is an indication of how long it takes the company to convert its resource inputs into cash for companies that sell on credit.

c$)$ The net current asset ratio can be used to gauge the liquidity position of the company.

d$)$ Implementation of a JIT process requires long$-$term commitment from few key suppliers.

Choose the CORRECT combination:

$1.$

Options $($c$)$ and $($d$)$

$2.$

Options $($b$)$ and $($c$)$

$3.$

Options $($a$),($b$)$ and $($d$)$

$4.$

Options $($a$),($c$)$ and $($d$)$