$1\mathrm{.}2$ Dave and Anna agreed to share profits and losses equally.

$1\mathrm{.}3$ Each partner has a monthly salary entitlement of R$18,800.$

$2$ Year$-$end adjustments:

$2\mathrm{.}1$ The security expenses billed to the business every month include a R$450$ monthly fee for security at Anna's private house. The security bill amounting to R$2150$ for February $2024$ has not yet been accounted for.

$2\mathrm{.}2$ The long$-$term loan with Burg Bank secured by land and buildings, bearing a $13\mathrm{.}5\%$ annual interestrate, was secured on April $1.2023,$ with interest payments due semi$-$annually at the end of September and March.

$2\mathrm{.}3$ During the year, red paver bricks va ued at R$18000$ were taken from the inventory and used to pave the additional parking lot for customers. After the completion of the project, $20\%$ of the bricks weren't used and Dave took the remaining bricks to build a fireplace at his house. This adjustment is yet to be made.

$2\mathrm{.}4$ The inventory's value was calculated to be R$180000$ as of February $29,2024$

$2\mathrm{.}5$ Dave withdrew his salary from March to May $2024$ as he had personal financial challenges. The total amount paid was debited to the salaries and wages account.

Which one of the following alternatives represents the correct amount of half$-$yearly interest payment by GNU Bricks on $30$ September $2023?$