Answer:
B) product bundle pricing
Step-by-step explanation:
He is using product-bundle pricing in which various products are offered for sale in one combined unit that is usually marked at a lowered price compared to the sum of their separate purchase prices as here Charles Payton decided to offer customers a special "letter writing" kit comprises letter paper, matching envelopes, and pens at $5, even though the combined prices of the individual items is $8.