Required: Does FedEx sponsor defined benefit pension plans for its employees? Defined contribution plans? Postretirementhealthcare plans? What amount does FedEx report in its balance sheet in 2017 for its U.S. pension plans? For its postretirementhealthcare plans? FedEx reports three actuarial assumptions used in its calculations of the projected benefit obligation. Whatwere those three amounts in 2017? Did reported changes in those assumptions from the previous yearincrease, decrease, or have no effect on the projected benefit obligation