The answer is Secured credit card. It is used to pay the needed materials but she needs to pay it every month. This has interests so she needs to consider her debts and the profit she can get from her business.
Salt used to be very rare and valuable back then. But now a days you can get it any where and its really cheap.
Answer:
I am not sure what the author is saying but,
I think If we ignore the author in the future people may not be able to read.
Explanation:
I am not sure what the author is saying so I am just giving my best guess.