A shipper has three options to send an expensive cargo worth $35,000 across the pacific and the holding cost for the same is $730 per year. Firstly, opting for a slow cargo ship with a freight cost of $50 will take2 months. Secondly, choose to send it via a fast ship but the freight cost gone up to $100 and the cargo delivered within a month. Lastly, the shipper can opt for the air transit for $150 and get it delivered within a week. Given this situation, which option the shipper should choose to opt for?