ive bought 25 000(twenty five thousand bricks at discount bricks polokwane and they delivered ten thousand bricks .ive paid them 32 000 thirty two thousand rand in cash and when i asked about the remaining fifteen thousand bricks they said their truck was broken, later they said their driver left and now they said i did not pay for the bricks.i paid the money in cash in their company in polokwane and i was issued with a receipt as proof of payment.what must i do to get my money back as i went to buy bricks at another company, help pls.