Retrieve availability when retrieving concrete products

{
    "data": {
        "type": "concrete-products",
        "id": "001_25904006",
        "attributes": {
            "sku": "001_25904006",
            "isDiscontinued": false,
            "discontinuedNote": null,
            "averageRating": null,
            "reviewCount": 0,
            "name": "Canon IXUS 160",
            "description": "Add a personal touch Make shots your own with quick and easy control over picture settings such as brightness and colour intensity. Preview the results while framing using Live View Control and enjoy sharing them with friends using the 6.8 cm (2.7”) LCD screen. Combine with a Canon Connect Station and you can easily share your photos and movies with the world on social media sites and online albums like irista, plus enjoy watching them with family and friends on an HD TV. Effortlessly enjoy great shots of friends thanks to Face Detection technology. It detects multiple faces in a single frame making sure they remain in focus and with optimum brightness. Face Detection also ensures natural skin tones even in unusual lighting conditions.",
            "attributes": {
                "megapixel": "20 MP",
                "flash_range_tele": "4.2-4.9 ft",
                "memory_slots": "1",
                "usb_version": "2",
                "brand": "Canon",
                "color": "Red"
            },
            "superAttributesDefinition": [
                "color"
            ],
            "metaTitle": "Canon IXUS 160",
            "metaKeywords": "Canon,Entertainment Electronics",
            "metaDescription": "Add a personal touch Make shots your own with quick and easy control over picture settings such as brightness and colour intensity. Preview the results whi",
            "attributeNames": {
                "megapixel": "Megapixel",
                "flash_range_tele": "Flash range (tele)",
                "memory_slots": "Memory slots",
                "usb_version": "USB version",
                "brand": "Brand",
                "color": "Color"
            }
        },
        "links": {
            "self": "https://glue.mysprykershop.com/concrete-products/001_25904006?include=concrete-product-availabilities"
        },
        "relationships": {
            "concrete-product-availabilities": {
                "data": [
                    {
                        "type": "concrete-product-availabilities",
                        "id": "001_25904006"
                    }
                ]
            }
        }
    },
    "included": [
        {
            "type": "concrete-product-availabilities",
            "id": "001_25904006",
            "attributes": {
                "isNeverOutOfStock": false,
                "availability": true,
                "quantity": "10.0000000000"
            },
            "links": {
                "self": "https://glue.mysprykershop.com/concrete-products/001_25904006/concrete-product-availabilities"
            }
        }
    ]
}