phone at Merman's Costume Rentals rings, and AnnieOaklea, head of costume inventory, picks it up and answersa query by saying, "Let me take a look at my inventory cards.?Sorry, it looks as there are only two male bear suits in inven$-$tory, with extra growly expressions at that. We've had a great runat ton bears. When do you need them? Perhaps one will be returned.No$,$ can't do it$,$ sorry. Would you like these two sent, regardless?The name of your establishment? Manhattan Theatre Company?London branch? Right. Delightful company! I see by our accountcard that you've rented from us before. And how long will you beneeding the costumes?"Figure $7.$C$1$ is a data flow diagram that sets the stage for pro$-$cessing of costume rentals from Merman's. It shows a rental such$1$Sas the one Annie is doing for the Manhattan Theatre CompanyAfter conversing for another few moments about shop policyon alterations, Annie concludes her conversation by saying, Youare very lucky to get the bears on such short notice. I've got anothercompany reserving them for the first week in July. I'll put youdown for the bear suits, and they'll be taken you directly by ourcourier. As always, prompt return will save enormous trouble forus all."Merman's costume rental enterprise is located in London'sworld$-$famous West End theatre district. When a theatre or televisionaproduction company lacks the resources $($either time or expertise$)$construct a costume in its own shop, the cry goes up to "Ring upMerman's!" and it proceeds to rent what it needs with a minimumof fussMerman's shop $($more aptly visualized as a warehouse$)$ hasthree floors full of costume racks, holding thousands of costumeshung together by historical period, then grouped as to whether theyare for men or women. and then by costume size.$\text{'}$ Most theatrecompanies are able to locate precisely what they need throughAnnie's capable assistance.Now tailor$-$make the rental return portion of the DFD givenearlier. Remember that timely returns are critical for keeping thespotlight on costumes rented from Merman's.Costumes inhventoyFIGURE $7.$C$1$A data flow diagram for