Careful Consulting Company has an unfunded postretirement benefit plan. On December $31,2024,$ the following data were available concerning changes in the plan's accumulated postretirement benefit obligation with respect to one of Careful's employees:

APBO, January $1$ $ $32,328$

Interest cost $($$$32,328\backslash$times $10\%)3,233$

Service cost $($$$83,600\backslash$times $1-$: $22)3,800$

APBO, December $31$ $ $39,361$

Required:

Over how many years is the expected postretirement benefit obligation being expensed?

What is the expected postretirement benefit obligation at the end of $2024?$

When was the employee hired?

Note: Round your answer to $1$ decimal place.

What is the expected postretirement benefit obligation at the beginning of $2024?$

Note: Round your final answer to the nearest whole dollar amount.