Given below is a sample questionnaire using SERVQUAL measures. Please calculate the mean scores of perceptions and expectation for each of the five dimensions. Please calculate the differences between perceptions and expectations for each dimension.

$\backslash$table$[[,,$Item,Perception,Expectation$],[1,,$Modern looking equipment,$5,7],[2,-,$Physical facilities,$5,2],[3,,$Neatly dressed employees,$3,5],[4,,\backslash$table$[[$Materials associated with$],[$service$]],4,5],[5,,\backslash$table$[[$Do what they promise to$],[$do$]],6,7],[6,,\backslash$table$[[$Interested in solving$],[$customers problem$]],6,4],[7,,\backslash$table$[[$Gets the service right the$],[$first time$]],7,6],[8,,$Timely service,$2,4],[9,,$Insist on error free record,$4,6],[10,,\backslash$table$[[$Tell customers exactly$],[$when the service will be$],[$provided$]],2,7],[11,,\backslash$table$[[$Provide prompt response$],[$to customer$]],4,5],[12,\frac{1}{2},$Willing to help customers,$7,4],[13,,\backslash$table$[[$Never too busy to respond$],[$to customer requests$]],4,7],[14,,\backslash$table$[[$Behaviour instills$],[$confidence in customers$]],5,6],[15,,\backslash$table$[[$Customers feel safe during$],[$transactions$]],6,5],[16,,\backslash$table$[[$Are consistently courteous$],[$to customers$]],6,4],[17,,\backslash$table$[[$Have the knowledge to$],[$respond to customers$],[$questions$]],3,5],[18,,\backslash$table$[[$Customers get individual$],[$attention$]],3,5],[19,,\backslash$table$[[$Convenient operating$],[$hours$]],7,5.],[20,,\backslash$table$[[$Emplovees give customers$],[$personal attention$]],2,5],[21,.,\backslash$table$[[$Has customers best$],[$interest at heart$]],5,3],[22,,\backslash$table$[[$Takes effort to understand$],[$special needs of the$]],2,4]]$