please help me ASAP!

which one is opportunity cost?

untwiouct uirow chers Multiple Choice $43,000 spent on a current project that will be forfeited if a proposed project is accepted $500,000 paid two years ago to acquire land which will be used for a project that the company is considering now. $48,000 increase in sales of chairs if it introduces a new design of tables. $36,800 in interest costs every year for 3 years on a loan that will be needed to finance a new project $223,500 of lost sales because a new competitor enters the market untwiouct uirow chers Multiple Choice $43,000 spent on a current project that will be forfeited if a proposed project is accepted $500,000 paid two years ago to acquire land which will be used for a project that the company is considering now. $48,000 increase in sales of chairs if it introduces a new design of tables. $36,800 in interest costs every year for 3 years on a loan that will be needed to finance a new project $223,500 of lost sales because a new competitor enters the market