Labor resource leveling of multiple projects to minimize cost by sharing salaried staff

ABC Construction has two projects starting next month. The projects are located within 15 miles of each other. One is a $3,000,000 project lasting 9 months, and the other is a $500,000 project lasting 6 months. One project manager can handle both jobs, which will save money. An additional supervisor must be hired to avoid delays. What is the PMT exercising in this case? Options

Resource allocation of salaried staff to multiple projects by adding a new supervisor to the team to improve work efficiency and avoid delays

Labor resource leveling of multiple projects to minimize cost by sharing salaried staff

Financial resource allocation and best use of the salaried staff available

Material and financial resource leveling and best use of salaried staff available