port of https://github.com/tgstation/tgstation/pull/49111 aka sales taggers, credit to ArcaneMusic

code/modules/cargo/bounties/assistant.dm

@@ -101,22 +101,22 @@
 	required_count = 15
 	wanted_types = list(/obj/item/shard)
 
-/*
 /datum/bounty/item/assistant/comfy_chair
 	name = "Comfortable Chairs"
 	description = "Commander Pat is unhappy with his chair. He claims it hurts his back. Ship some alternatives out to humor him."
 	reward = 900
 	required_count = 5
 	wanted_types = list(/obj/structure/chair/comfy)
-*/
 
- /datum/bounty/item/assistant/geranium
+/*
+/datum/bounty/item/assistant/geranium
  	name = "Geraniums"
  	description = "Commander Zot has the hots for Commander Zena. Send a shipment of geraniums - her favorite flower - and he'll happily reward you."
  	reward = 1000
  	required_count = 3
 	wanted_types = list(/obj/item/reagent_containers/food/snacks/grown/poppy/geranium)
 	include_subtypes = FALSE
+*/
 
 /datum/bounty/item/assistant/poppy
 	name = "Poppies"

code/modules/cargo/exports.dm

@@ -33,6 +33,8 @@ Credit dupes that require a lot of manual work shouldn't be removed, unless they
 	if(!GLOB.exports_list.len)
 		setupExports()
 
+	var/profit_ratio = 1 //Percentage that gets sent to the seller, rest goes to cargo.
+
 	var/list/contents = AM.GetAllContents()
 
 	var/datum/export_report/report = external_report
@@ -47,7 +49,7 @@ Credit dupes that require a lot of manual work shouldn't be removed, unless they
 			if(!E)
 				continue
 			if(E.applies_to(thing, allowed_categories, apply_elastic))
-				sold = E.sell_object(thing, report, dry_run, allowed_categories , apply_elastic)
+				sold = E.sell_object(thing, report, dry_run, allowed_categories , apply_elastic, profit_ratio)
 				report.exported_atoms += " [thing.name]"
 				break
 		if(thing.reagents?.value_multiplier)
@@ -138,9 +140,19 @@ Credit dupes that require a lot of manual work shouldn't be removed, unless they
 	var/the_cost = get_cost(O, allowed_categories , apply_elastic)
 	var/amount = get_amount(O)
 
+	var/profit_ratio = 0
+
 	if(amount <=0 || the_cost <=0)
 		return FALSE
 
+	if(dry_run == FALSE)
+		if(SEND_SIGNAL(O, COMSIG_ITEM_SOLD, item_value = get_cost(O, allowed_categories , apply_elastic)) & COMSIG_ITEM_SPLIT_VALUE)
+			profit_ratio = SEND_SIGNAL(O, COMSIG_ITEM_SPLIT_PROFIT)
+			the_cost = the_cost*((100-profit_ratio)/100)
+	else
+		profit_ratio = SEND_SIGNAL(O, COMSIG_ITEM_SPLIT_PROFIT)
+		the_cost = the_cost*((100-profit_ratio)/100)
+
 	report.total_value[src] += the_cost
 
 	if(istype(O, /datum/export/material))