When 5 units of a goods are sold, total revenue is `Rs 100. When 6 units are sold, marginal revenue is Rs` 8. At what price are 6 units sold ?

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Question 1 When 5 unit of a good is sold total revenue is rich Android when 6 unit are sold marginal revenue is at at what price or 6 unit sold

When 5 unit of a good are sold total revenue is rs 100. When 6 units are sold marginal revenue is Rs 8.at at what price are 6 units sold(choose the correct alternative) (a) rs 28 per units (b) rs 20 per unit (c) rs 18 per unit (d) rs 12 per unit