Concrete Ltd$.$ started making concrete for the private sector on $1$ January $2017.$ They manufacture and sell several grades of concrete. The following transactions are expected to take place during January to June $2017$:

In order to raise capital, management decided to issue $200,000$ R$1\mathrm{.}50$ ordinary shares for cash on $1$ January.

Sales volume was expected to be $44$ cubic meters $($m$3)$ in January, $33$ m$3$ in February, $57$ m$3$ in March, $69$ m$3$ in April, and increase by $4$ m$3$ per month thereafter. Each m$3$ is expected to sell at R$2,500$

Cash sales are expected to be R$20,000$ in January, R $40,000$ for each of the next three months and R $60,000$ per month thereafter.

Sixty per cent of credit customers are expected to pay after $30$ days $($one month$)$ and receive a discount of $2\mathrm{.}5\%.$ The remaining credit customers will pay after $90$ days $(3$ months$),$ but $10\%$ of them are expected to be bad debts.

Purchases of raw material are planned to be R$105,000$ in January and R$85,000$ in February, increasing at R$10,000$ per month thereafter. Concrete Ltd$.$ negotiated a $60$ day $(2$ months$)$ credit terms with their suppliers. The closing stock at the end of the six month period will be R$260,000.$

Plant costing R$100,000$ will be purchased in January and paid for in that month, net of $10\%$ retention which will be released in May. This plant is to be depreciated over a five year period with no scrap value.

Additional premises that cost R$40,000$ per annum will be rented, paid quarterly in advance.

Wages and salaries will amount to R$40,000$ per month for the first three months and thereafter it will increase to R$45,000$ per month. The payroll taxes will amount to $15\%$ of total payroll cost and will be paid to SARS in the month after the deduction was made.

Building and equipment insurance amounts to R$30,000$ for the year, payable in January.

Rates are R$60,000$ for the year, payable in March and September.

Administration costs are R$10,000$ per month, paid one month in arrears.

The advertising costs for the launch of the business was R$25,000$ payable in March.

Selling costs of R$5,000$ per month will be incurred from January to April, thereafter it will decrease to R$2,000$ per month. Selling costs are payable one month in arrears.

Additional premises will be purchased in March for R$55,000.$

Despite the increase in sales, the cash balance is expected to decline therefore Concrete Ltd negotiated an overdraft interest of $15\%$ per annum on the overdrawn balance at the end of each month. One of the conditions of negotiations was that there will be no interest on cash surpluses. Even though there is a decline in the cash balance expected, a profit is expected for the end of the period. Some of the non$-$finance members of the management team wondered how can a company make profit but still have a cash flow that is negative?

The net profit for the $6$ months ending June $2017$ is $\_\_\_\_\_\_\_.$