Norris Harrell's Computer Store in San Fernando sells a printer for $200. The annual demand for this is 600 units, with a standard deviation of 1.5 units daily. The holding cost is $20, while the cost of ordering is $60 per order. Currently the company is ordering 12 times per year. There are 250 working days per year and the lead time is 10 days. a. Given the current policy of ordering, what is the total ordering and holding costs? (3) b. If the company uses the absolute best inventory policy, what would be the total ordering and holding costs? [3]