[.orders[]
 | select(.status == "paid")
 | .accountId as $account
 | .id as $order
 | .cartItems[]?
 | {orderId: $order, accountId: $account, sku, qty,
    pointsPerUnit: ($rates[0][.sku] // 0),
    points: (.qty * ($rates[0][.sku] // 0))}]