Square’s business model is also deployed by late-arriving rivals PayPal Holdings Inc. PYPL, -1.65% and Intuit Inc. INTU, -1.58% both of which now offer credit card readers for mobile devices.
Refer to the input text as context and select the correct relationship between 'PayPal' and 'credit card' from the available options.
Options: parent organization, subsidiary, currency, product/material produced