Answer: high cost and risk
Explanation:
From the question, we are informed that the CEO of Jamil Circuits is unhappy with the firm's choice of wholly owned subsidiaries as the mode of foreign entry and that hee has pointed out a number of disadvantages to this mode.
A disadvantage of wholly owned subsidiaries as a mode of entry into foreign markets is high costs and risks. A lot of risk is involved which may hinder the success of the business.