Case Stady Vbeen eeeShed ty SkinsHUs, adematelote pracce that etier & sat cperets tt ambee of vears bas decided toextend by otering al consutation serdee on$-$ne$.$ They need a wetatnthat ialo tietts from aneum the war k to uhmn imesesand seek competent consutacion over the ineenes. Thecprsuttetion of C$0$wch a introductory tfer of E$1$S for thefirt consuttarpatents whe uSe Ihe serece ce a teelae busts enny $1$OthEeaultatian is free cf charuePatients wit e able te foein securely on the seryer usinE their thentication detats and check uhetheethe imaes they have uplnaded have been seen by a dermatologist and what advce has beun given f theyhnd the adice ambeguc oe unclear they ma wiite a note asking for further ciarification, which isirecorded by the system The system should alow for up to $3$ darifcation reguests per lmae. Providing aclarification by a dermatologist is free of charge. Patiets are aiiowed to canol an on$-$lne consuitationrequest within $24$ hours of subritting an image far consultation if no cosuitation has beet provided bythen, In thi case a refund wa be gven after deductrg S$\%$ of the fee to coer bank trarster fees ifaconsultation request is canceled, the images held on the server will be destroyed by the system gnce asccessful refund has taken place.The images will be uploaded and held in encrypted fom on a serer usng an enKryption key To impeovesecurity, practice personnel change the key periodically. Whenevera key is changed, the personnel shouidprowde the old and the new key. The system wil use the old key to decrypt all saved images and thenencrvpt them using the new kydeount feeThe dermatologists should be able to login securely and access patient records with outstandingconsultation$/$clanfication requests. Once they have logged in$,$ the system will autamatically decrvpt theimages they need to access.The application should maintain on$-$line patient records that include:$-$authentication details such as the username and password created by the system whena patient accessthe system for the first time These will be shown to the patient on the screen n response to theiruploading their first image and making a full payment for the consultation;$-$ images they have submitted and results of consultations;payments received. The application shauld also maintain a record of the interaction between thedermatologist$($s$)$ and the patients:$-$a dermatologist shoukd be able to trace the doctor$($s$)$ who provided the initlal consultation and anysubsequent clarifications $($per image$)-$a patient should be abie to access their consultation$/$darifications$,$ but not wha has pravided the advice$($the identity of the dermatologist providing the consultation is withheld from the patient$)$SkinsRUs would like the system to rank the patient records according to whether they havea pendingrequest or not. If a consultation or clarification request is not dealt with in $24$ hours, the system will ralsethe patient record priority to urgent. Once an urgent record has been dealt with and all pendingconsultation$/$clarification requests related to the patent have been resolved, the patient's record prioritywl be restored to normal.Develop a Use Case diagram for the given case