If a firm is to capture all consumer surplus with twopart pricing when customers are different A. it must set unit price below marginal cost. B. it must set unit price above marginal cost. C. it cannot charge different prices for access fees. D. it must be able to charge different access fees.

D. it must be able to charge different access fees.

Explanation:

Two part pricing refers to the charging of two prices for access to a service which are a fixed price(lumpsum) and a variable price for every unit used.

If one wants to capture all consumer pricing with this strategy and customers are different, the company simply needs to be able to charge different access fees.

This way they'll be able to charge the different customers different prices based on their willingness to pay such that they will capture all consumer surplus.

its kinda hard to answer this when we dont have all the information that we need.