Albert and Sam started a software company $5$ years ago and it is growing rapidly. Albert and Sam are the sole contributors to the company's success. The

company does not have excess cash flow. They do not have any business succession plan. They would like the option of buying out each other's shares to

ensure smooth operation, in the event either of them dies.

Which of the following is appropriate for protecting the company in the event either of them dies?

Split$-$dollar arrangement with the use of corporate retaining earnings.

Split$-$dollar arrangement with the use of life insurance.

Cross$-$purchase agreement with the use of life insurance.

Buy$-$sell agreement with the use of CDA.