Which two signs and two numbers should be interchanged to make the given equation correct?45 – 87 × 20 ÷ 5 + 29 = 50

• A. 29 and 45, + and ÷
• B. 20 and 29, ÷ and ×
• C. 20 and 29, ÷ and +
• D. 45 and 5, × and –