please explain any math behind question 7

Use the following information to answer the next two questions. Balances or Values at December 31, 2022 Projected benefit obligation Accumulated benefit obligation Vested benefit obligation Fair value of plan assets Accumulated OCI - Net loss (zero balance at January 1, 2022) $4,195,000 3,980,000 3,680,000 3,726,000 26,800 7. The corporate charter of Alpaca Co. authorized the issuance of 10 million, $1 par common shares. During 2022, its first year of operations, Alpaca had the following transactions: January 1 sold 8 million shares at $15 per share June 3 retired 2 million shares at $18 per share December 28 sold 2 million shares at $20 per share What amount should Alpaca report as additional paid-in capital excess of par, in its December 31, 2022, balance sheet? a. $122 million b. $116 million c. $112 million d. $74 million