Please show me the ways and stpes to understand how to get it right, and if there is any forumla please write it

Moving to another question will save this response. On Sofa estion 5 pelets Mahra wants to buy $10,000 of securities in her margin account. Her advisor has informed her that she must pay a minimum of $7.000 in cash and maintain a minimum equily position of 30 percent. What is the initial margin? What is the maintenance margin? For the toolbar, press ALT.F10 (PC) or ALT+FN-F10 (Mac) BIVS Paragraph Arial 14px A T 5 x x TTT v TT * 2 ES E - +] B