$6.$ Capital budgeting and the post$-$audit process

United Systems is one of the country$$s largest distributors of servers and video$-$conferencing technology. Recently, the company successfully expanded into three new markets. The company$$s CFO needs to perform a post$-$audit to examine the feasibility of expansion into more new markets. Which of the following would be part of the post$-$audit? Check all that apply.

Explaining why the company spent three times more on shipping products than what was forecast.

Comparing the company$$s actual sales volume in the new markets to the company$$s expected sales volume in the new markets.

Determining which markets the company should expand into next.

When a firm exhausts its retained earnings and must raise capital from external sources, its weighted average cost of capital $($WACC$)$ will $.$