$\backslash$table$[[,\backslash$table$[[$Customer$],[$Type $1]],\backslash$table$[[$Customer$],[$Type $2]],\backslash$table$[[$Customer$],[$Type $3]],\backslash$table$[[$Customer$],[$Type $4]]],[$Initial sales,$$1,000,$$$1,000,$$$2,500,$$$3,000$