SIP Inc. has the following sales budget for the last six months of 2021? July $350,000 August $270,000 September $380,000 October $450,000 November $480,000 December $450,000 Historically the cash collected of sales has been as follows: 40% of sales collected in month of sale 10% of sales collected in month following sale 20% of sales collected in second month following sale What is SIP Inc. 's net accounts receivable balance on September 30, 2021?