Bernady Ltd$,$ an Australian entity, has a foreign subsidiary based in China, Hong Sim Enterprises. The functional currency of Hong Sim Enterprises is Chinese Renminbi when: a$.$ all profits generated by Hong Sim Enterprises are channelled back to Bernady Ltd b$.$ sources of funding of Hong Sim Enterprises are denominated in Chinese Renminbi c$.$ most of the sales transactions are denominated in Australian dollars d$.$ the operating expenses are primarily determined by the Australian economic environment