Ayresleigh Manufacturing sells machine tools to Bazzard Industries. In which of the following cases should the transportation cost be added to basic price to calculate the purchasers’ price? a) Ayresleigh Manufacturing hires Chadband Trucking Services to transport the equipment but does not invoice Bazzard Industries separately for transport costs. b) Ayresleigh Manufacturing hires Chadband Trucking Services to transport the equipment and invoices Bazzard Industries separately for the transport costs. c) Bazzard Industries uses its own truck to transport the equipment and is not billed for transport costs. d) In all of the above cases