Can you help calculate the overtime and lag time for this project (see below)?

Ventura Baseball Stadium is a 47,000-seat professional baseball stadium. G&E Company beganconstruction on June 10, 2019, and plans to complete it on February 21, 2022. The stadium must be ready for the opening of the 2022 regular season. G&E would accrue a $500,000 per-day penalty for notmeeting the April 3, 2022, deadline.

The project started on time and was progressing well until an accident occurred during the pouring of the lower bowl. Two workers were seriously injured, and the activity was delayed four weeks while the cause of the accident was investigated and the site cleared to proceed.

The president of G&E Company, Percival Young, is concerned about the delay of the project.

The project began with roughly six weeks of cushion between expected completion deadline and imposed deadline of April 3 (opening day).

Now there is only a two-week cushion with over a year's worth of work still to be completed. He has asked you to consider the following options to reduce theduration of the project and restore some of the time buffer that has been lost.

A. Assign overtime to complete the installation of seats in 120 days, not 140 days.

B. Assign overtime to complete the infrastructure in 100 days, not 120 days.

C. Introduce a start-to-start lag whereby construction of the roof begins 70 days after the start of buildingroof supports.

D. Introduce a start-to-start lag whereby installing the scoreboard can start 100 days after the start ofconstruction of the upper steel bowl.