Answer:
The correct option is increase of $9,000
Step-by-step explanation:
The increase or decrease in cash in 2018 could be determined by using the formula below which is coined from the statement of cash flow:
Cash at the end of the year=cash at the beginning plus +increase in cash
cash at the end of 2018 is $44,000 whereas cash at the beginning which is the same at closing balance of 2017 is $35,000
$44,000=$35,000+increase in cash
increase in cash =$44,000-$35,000
increase in cash in 2018=$9,000