Your options for shipping $103 , 600 of machine parts from Baltimore to Kuala Lumpur, Malaysia, are (1) use a ship that will take 29 days at a cost of $3 , 950 , or ( 2 ) truck the parts to Los Angeles and then ship at a total cost of $4 , 820 . The second option will take only 22 days. You are paid via a letter of credit the day the parts arrive. Your holding cost is estimated at 30% of the value per year. a) is more economical, with a daily holding cost of $ (Enter your response rounded to two decimal places.) .