The funded status of a company's defined benefit pension plan are provided below.

($ in thousands)	2021 Beginning Balances	2021 Ending Balances
Projected benefit obligation	$3,800	$4,100
Plan assets	???	4,241
Funded status	Net asset of $100	???
Additional information: Benefits paid, $255 Actual return on plan assets, $336 Discount (interest) rate, 5%

There were no changes in actuarial estimates and assumptions regarding the PBO. Required: 1. Determine the beginning plan assets balance. 2. Determine service cost for 2021. 3. Determine employer contributions to the pension fund for 2021. 4. Determine the funded status at the end of 2021.