(different-life alternatives) A project engineer with En Care Co. is assigned to start up a new office in a city where a 3-year contract has been finalized to collect and analyze ozone-level readings. Two lease options are available, each with a first cost, annual cost, and deposit-return estimates shown below.

a.EnCare Co. has a practice of evaluating all projects over a 6-year period. If the deposit returns are not expected to change, which location should be selected
b.Determine which lease option should be selected on the basis of a present worth comparison using the LCM