Which of the following are assets? 1. Zillah acquires a patent from its creator for 120 million. The patent gives Zillah an exclusive right to develop and market the patented chemical compound for a specified period. The transaction between Zillah and the seller fixes both Zillahs right to use the patent and the cost of the expected benefits. 2. Expertise of knowledge which gives a firm competitive advantage which is internally generated 3. The brand name of the companys main product built up by the company over many years 4. Brand name included in the price paid to acquire another company 5. Research and Development purchased following the acquisition of another company 6. Research and Development expenditure in developing a cure for Covid