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A construction company wants to determine how much longer an equipment it owns should remain in service before it is replaced by a new one. The company's beforetax cost of capital (MARR) is 10% per year. The old equipment is currently two years old, originally cost $2,000, and has a present realizable MV of $1,000. If kept, its MVs and annual expenses are expected to be as follows: The new equipment will require an investment of $4,000 and is expected to have year-end MVs and annual expenses as shown below: For the old equipment (defender), what is the total (Marginal) cost for year 3(TC3) ? A For the new equipment (challenger), what is the EUAC through Year 3? A) Please only fill in the number and round to the nearest integer