Sachs Brands's defined benefit pension plan specifies annual retirement benefits equal to $1\mathrm{.}6\%$ service years $x$ final year's salary, payable at the end of each year. Angela Davenport was hired by Sachs at the beginning of $2007$ and is expected to retire at the end of $2041$ after $35$ years' service. Her retirement is expected to spanDavenport's salary is $$90,000$ at the end of $2021$ and the company's actuary projects her salary to be $40,000$ at retirement. The actuary's discount rate is $7\%.$

equired:

Draw a time line that depicts Davenport's expected service period, retirement period, and a $2021$ measurement date for the pension obligation.

Estimate by the accumulated benefits approach the amount of Davenport's annual retirement payments earned as of the end of $2021.$

What is the company's accumulated benefit obligation at the end of $2021$ with respect to Davenport?

If no estimates are changed in the meantime, what will be the accumulated benefit obligation at the end of $2024($three years later$),$ when Davenport's salary is $$100,000?$