Deprecated: Return type of AdvancedAds\Abstracts\Data::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/erudites/web/erudites.ng/public_html/wp-content/plugins/advanced-ads/includes/abstracts/abstract-data.php on line 431
When Total Utility Is Constant, It Means The Marginal Utility Is? - Erudites Academy