Rocky mountain tire center sells 13,000 go-cart tires per year. the ordering cost for each order is $40, and the holding cost is 50% of the purchase price of the tires per year. the purchase price is $22 per tire if fewer than 200 tires are ordered, $18 per tire if 200or more, but fewer than 5,000 tires are ordered, and $13 per tire if 5,000 or more tires are ordered. a) how many tires should rocky mountain order each time it places an order? rocky mountain's optimal order quantity is 5000units (enter your response as a whole number).b) what is the total cost of this policy? total annual cost of ordering optimal order size = $(round your response to the nearest whole number).

Verizon communications, inc., provides the following footnote relating to its leasing activities in its 10-k report. the aggregate minimum rental commitments under noncancelable leases for the periods shown at december 31, 2010, are as follows: years (dollars in millions) capital leases operatingleases 2011 $97 $1,898 2012 74 1,720 2013 70 1,471 2014 54 1,255 2015 42 1,012 thereafter 81 5,277 total minimum 418 $ 12,633 rental commitments less interest and (86) executory costs present value of 332 minimum lease payments less current (75) installments long-term obligation $257 at december 31, 2010 (a) confirm that verizon capitalized its capital leases using a rate of 7.4 %. (b) compute the present value of verizon's operating leases, assuming an 7.4% discount rate and rounding the remaining lease term to 3 decimal places. (use a financial calculator or excel to compute. do not round until your final answers. round each answer to the nearest whole number.)