PLC and ARC-CO The price loss coverage (PLC) program triggers support payments when the national marketing year average (MYA) price for an eligible commodity falls below its effective reference price (see farmdoc daily article from September 24, 2019 for more details on PLC). For 2023, the effective reference prices for corn, soybeans, and wheat were $3.70, $8.40, and $5.50 per bushel, respectively. Actual 2023 MYA prices exceeded effective reference prices for all three crops ($4.55 for corn, $12.40 for soybeans, and $6.96 for wheat) implying no PLC support payments.