On April $1$st$,20$x$2,$ Tomberlin Ltd$.$ has accepted a $$40,000$ Note Receivable from a customer. Annual interest rate is $12\%.$ The principal is due on April $1$st$,20$x$4$ and interest is payable on September $30$ and March $31$ of the year. What is the total amount of Interest Revenue recorded by Tomberlin Ltd$.$ in $20$x$2?$