Mark, Alex, and Lisa joined forces to establish a tech startup named "InnovateTech." Mark and Alex secured a small office space, enhancing its ambiance with artful fitout and interior design. Lisa meticulously curated the office environment by selecting cutting-edge computer equipment and tech tools. Their collective efforts extended to recruiting a team to manage daily tech operations. After a successful six months, Mark decided to step back from the tech business to focus on his family commitments. Both Alex and Lisa agreed to carry on running the startup under the same name. Emily, who has been providing essential tech components to the business since the opening of the business, continues to so without being aware that Mark is no more one of the business owners. Mark's departure resulted in the reduction of the revenue of the business. Emily has not been paid for four months of supplies and is considering pursuing legal action against Mark, Alex, and Lisa to recover theowed payments. Meanwhile, tensions escalated between two software developers in the business premises, sparking disputes over post-work training duties to interns and about who takes orders from whom. On aparticular day, a client named Jessica ordered a customized software solution. Amidst an officedisagreement, an unfortunate oversight occurred: a crucial security feature was omitted from the software due to a miscommunication. As a result, Jessica's business encountered cyber-attack after implementing the software. Briefly answer the following questions with reference to relevant law that may apply to these facts. (a) Explain the type of business structure Mark, Alex, and Lisa have formed and advise Emily whoshe can sue for the debt. (c) Advise (Issue, Law, Application and Conclusion) Jessica if the owners of the tech startup and/or the software developers be liable for the loss suffered by her. Note: Base on Law inAustralia and the case also in Australia

please use issue, relevant law, application and conclusion.