"Med spa retail exchanges: reconcile the product, credit, and new payment"
"Source","https://bluefinchadvisors.com/blog/med-spa-retail-return-exchange-payment-reconciliation"
"Basis","This planning scenario uses the values entered. It is not an industry benchmark or a quote."

"Inputs","Value","Unit"
"Approved return credit","180","currency"
"Replacement selling price","240","currency"
"Replacement inventory cost","96","currency"
"Recoverable returned inventory cost","36","currency"
"New payment and return charges","2.1","currency"

"Results","Value","Unit"
"Customer balance change","60","currency"
"Incremental contribution change","-2.0999999999999943","currency"
"Net inventory cost added","60","currency"

"Calculation detail","Value","Unit"
"Replacement price","240","currency"
"Approved return credit","180","currency"
"New merchant payment expense","2.1","currency"

"Assumptions"
"Illustrative approved exchange, excluding tax and shipping."
"Inventory recovery requires your product-handling approval. This calculator cannot decide whether a returned product is safe to resell."

"Result notes"
"A negative contribution change is visible even when the customer pays more."
"The model measures the change from this exchange, not profit on the original sale."

"Sources"
"Square: returns, exchanges, and unlinked refunds","https://squareup.com/help/us/en/article/6350-process-a-return-or-exchange-with-square-for-retail"
"Stripe: refund funding, destinations, and refund status","https://docs.stripe.com/refunds"
"Visa: U.S. merchant surcharging and displayed-price distinctions","https://usa.visa.com/dam/VCOM/global/support-legal/documents/merchant-surcharging-qa-for-web.pdf"
"Stripe: matching transactions to automatic payouts","https://docs.stripe.com/payouts/reconciliation"