Enya is $30$ years old and single. Her assets equal her liabilities, and she spends all her net income each month. In March of this year she received a raise in salary that increased her take$-$home pay by $$1,000$ per month. On April $1$st she decides to pay the $$6,000$ balance owing on her student loan by withdrawing $$6,000$ from her emergency reserves. On April $15$th$,$ she begins a monthly contribution of $$600$ to replenish her savings. On May $1$st she pays $$1,200$ for repairs to her home computer system using a store credit card that does not charge interest for $120$ days. Enya begins making monthly payments of $$400$ on the store credit card on May $15$th$.$ What is the impact to Enya's net worth for the period from April $1$st to July $31$st$?$ Enya's net worth will:

Question $4$ options:

Increase by $$2,400.$

Increase by $$3,000.$

Increase by $$6,000.$