A treasury manager needs to move $200,000 from one corporate account to the firm's primary account. Moving the funds by wire will cost $15 while moving the funds by ACH will cost $0.45. The ACH takes 1 day longer to clear. The firm's account earns an earnings credit rate of 0.75%, and the required reserve ratio is 10%. If the firm's opportunity cost of funds is 6%, what is the minimum transfer balance that justifies a wire transfer?

	a.	$99,732.39
	b.	$162,456.65
	c.	$159,172.93
	d.	$96,546.15