A$.$ Revenue has been generated. B$.$ Expense has been incurred. C$.$ Liability has been incurred. D$.$ Liability has been fulfilled. E$.$ Asset has been acquired. F$.$ Asset has been used up$.$ Reasons Situation $1$ Delta Airlines provided flights this month for customers who paid cash last month for tickets. A$,$ D $2.$ GSD $+$ M completed work on an advertising campaign that will be collected next month. AE $3.$ Snap received a telephone bill for services this month, which must be paid next month B$,$ C $4.$ The Tiger Woods Foundation used up some of the benefits of its $35,000-$square$-$foot building B$,$ F