Answer:
The amount of cash collections from customers reported by Alex company for the year ended December 31, 2018 is $4,125,000.
Step-by-step explanation:
Cash collection refers to the collection of cash from from an individual or a business whom invoice has been issued to. Any invoice unpaid are noted as being outstanding.
Cash collection fomular is therefore;
Cash collection = Sales on account + Cash sales + Decrease in accounts receivable
=$2,100,000 +$1,110,000 + $915,000
=$4,125,000