Have Ltd,Ay Ltd and Go Ltd Contractually Form a Joint

Have Ltd,Ay Ltd and Go Ltd contractually form a joint operation on 1 July 2013 to undertake a bauxite mining venture.The three companies agree to contribute the following amounts of capital to the joint operation in the same proportion as their rights to the assets and outputs: $$\begin{array} { | l | r | r | } \hline \text { Have Ltd } & \$ 40000000 & 40 \% \\\hline \text { Ay Ltd } & \$ 35000000 & 35 \% \\\hline \text { Go Ltd } & \$ 25000000 & 25 \% \\\hline & \$ 100000000 & 100 \% \\\hline\end{array}$$ The funds are used on 1 July 2013 to purchase the mining site for $50 million and drilling and other heavy machinery for $25 million.The balance of $25 million will be called on by the joint operation manager as required.
The following information relates to the year ending 30 June 2014:
Total cost of production of $10 000 000.These costs have been deferred in order to amortise them as mining commences.
Of the total costs of production all but $3 000 000 have been paid in cash.
The joint operation manager called on the joint operators to contribute a further $12 000 000 in total with each joint operator contributing the appropriate portion according to their share in the joint operation (provided above) .
What entries would be required to record the formation of the joint operation and the transactions for the year ended 30 June 2014?

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B)

C)

D)