The sales department had been allocated $20,000 for the year. the actual expenses incurred in the year were: transport $5,000 advertising $3,500 travel expenses $1,700 salary $10,000 other expenses $ 2,300 has there been an over budgeting or under budgeting, and by how much? a. over budgeting by $2,500 b. under budgeting by $2,500 c. over budgeting by $22,500 d. under budgeting by $12,500