Av city stocks and sells a particular brand of laptop. it costs the firm $625 each time it places an order with the manufacturer for the laptops. the cost of carrying one laptop in inventory for a year is $130. the store manager estimates that total annual demand for the laptops will be 1500 units, with a constant demand rate through- out the year. orders are received within minutes after placement from a local warehouse maintained by the manufacturer. the store policy is never to have stock outs of the laptops. the store is open for business every day of the year except christmas day. determine the following:
a. optimal order quantity per order
b. minimum total annual inventory costs
c. the number of orders per year
d. the time between orders (in working days)

Concrete consulting co. has the following accounts in its ledger: cash; accounts receivable; supplies; office equipment; accounts payable; jason payne, capital; jason payne, drawing; fees earned; rent expense; advertising expense; utilities expense; miscellaneous expense. transactions oct. 1 paid rent for the month, $3,600. 3 paid advertising expense, $1,200. 5 paid cash for supplies, $750. 6 purchased office equipment on account, $8,000. 10 received cash from customers on account, $14,800. 15 paid creditors on account, $7,110. 27 paid cash for miscellaneous expenses, $400. 30 paid telephone bill (utility expense) for the month, $250. 31 fees earned and billed to customers for the month, $33,100. 31 paid electricity bill (utility expense) for the month, $1,050. 31 withdrew cash for personal use, $2,500. journalize the following selected transactions for october 2019 in a two-column journal. refer to the chart of accounts for exact wording of account titles

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.

Luggage world buys briefcases with an invoice date of september 28. the terms of sale are 2/10 eom. what is the net date for this invoice