$3.(20$ pts$)$ Harold has created this design for the software at a recycling center. Paper and plastic are some of the recyclables we allow. Paper has a type, like $$newspaper$$ or $$glossy$.$ Plastic as a number for the type. A bin is where we collect the recyclables. It has an id$,$ like $$BIN$007$ and a location like $$Elm Street$.$

This design has problems. Draw UML for a new design that fixes those problems and is a better overall design: