Porgy Co.'s retirement plan requires a 250,000 annual contribution to a fund held by a third party trustee. The fund is legally separate from Porgy Co. and is available solely for the payment of the retirement benefits of Porgy's employees. At the beginning 20x1, the fund balance is 2,800,000. In its December 31 20x0 and December 31, 20x1 statements of financial position, Porgy reported accrued payable for retirement benefits of 30,000 and 80,000, respectively. Payments to retiring employees during 20x1 totaled 750,000. How much is the retirement benefits expense in 20x1? show the solution and explain.