Joe’s is a small ice-cream shop located new the local university’s baseball fiel

ID: 2450114 • Letter: J

Question

Joe’s is a small ice-cream shop located new the local university’s baseball field. Joe’s

serves walk-in customers only. The shop carries 26 flavors of ice cream. Customers can buy

cones, sundaes, or shakes. When a customer pays for an individual purchase, a sale transaction

usually includes just one item. When a customer pays for a family or group purchase, however, a

single sales transaction includes many different items. All sales must be paid for at the time the

ice cream is served. Joe’s maintains several banking accounts but deposits all sales receipts into

its main checking account.

Required

Draw an REA diagram, complete with cardinalities, for Joe’s revenue cycle

Answer: REA diagram with cardinal

(1,1) (1,1) (1,1)

Individual Customer------------Purchase Single Item -----------Cash receipts----------------Bank account deposit

(M,N) (N,1) (1,1) |

Family/Group customer----------Purchase differnet items---------Cash receipts------------------|

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