Which one of the following represents the correct order of process steps for the fulfillment process?Select one:a. Pre-sales activity, payment, sales order processing, inventory sourcing, shipping, billingb. Pre-sales activity, sales order processing, inventory sourcing, shipping, billing, paymentc. Sales order processing, pre-sales activity, inventory sourcing, billing, billing, paymentd. Sales order processing , pre-sales activity, inventory sourcing, shipping, billing, paymente. Pre-sales activity, sales order processing, shipping, billing, inventory sourcing, payment
