Please explain where do those numbers come from and show the formulas if necessary

E8.1 Journal entries for interest in a joint production operation, no product distributed to date Peppa Ltd and George Ltd entered into a joint operation on 1 June 20X0 to produce specialty medical equipment. Each of the joint operators initially contributed cash of $600000. A joint operation manager was appointed and provided the following details for the month of June 20X0 in respect of the operation. Plant and equipment was purchased for cash on 1 June 20X0 at a cost of $800000. The plant is expected to have a useful life of five years in joint operation production and no use or value thereafter. Cash costs of production for the month ended 30 June 20XO are $200000. All of the production remains on hand with the manager as inventory. The remaining cash on hand at 30 June 20XO is $200000. REQUIRED (a) Outline what features would need to be included in the joint operation agreement for the joint arrangement to be classified as a joint operation rather than a partnership