Changes in the technological environment allow companies to sell the same product to different buyers at different prices by accessing information about demand. For example, fast food giant Wendy$$s caused controversy by suggesting it would charge different prices for its food items at different times of day based on up$-$to$-$the$-$second information about demand. What type of pricing tactic was it suggesting?

a$.$

competitive pricing

b$.$

skimming

c$.$

product$-$line pricing

d$.$

differential pricing

e$.$

social$-$oriented pricing