Buy$/$sell agreements can be used to predetermine the purchase and sale of business assets in the event of the death, disability, critical illness, or retirement of a business owner. Often agreements are drafted covering all eventualities Here we will deal exclusively with the disability of a business owner. The key to an effective buy$/$sell agreement is certainty: the parties to the agreement must know several items in advance.Listed below are items that may be important for consideration:$1.$ Under what circumstances is the agreement triggered?$2.$ Who will be the lawyer of the buyer?$3.$ Will the current owner be required to sell the business interest?$4.$ Who is required to buy the business interest?$5.$ When must the purchase and sale take place?$6.$ Who decides the purchase price?Which for $(4)$ are key considerations?Select one:a$.1,3,4,5$b$.1,2,3,5)$c$.1,2,3,4$d$.2,3,4,5$