A purchasing agent is responsible for ordering hardware for a custom home his company is building. The contractor installing the hardware is scheduled to start in $5$ working days, but the hardware is on backorder and will not arrive for another $9$ working days. Fortunately, the purchasing agent has $10$ days of slack; however, he shares this slack with the hardware installer. He will have to let the contractor know that the hardware will be ready $4$ days later than expected and that the slack for the installer has been reduced by $4$ days. The purchasing agent and the installer share $10$ days of

Multiple Choice

critical slack.

free slack.

total slack.

functional slack.