To have a monopoly, barriers to entering the market must be so high that no other firms can enter. do network externalites create or remove barriers to entry? explain. network externalities a. removeremove barriers to entry because diseconomiesdiseconomies of scale are so large that one firm can supply the entire market at higherhigher average total cost than can two or more firms. b. remove barriers to entry because such externalities require multiple firms to provide the goods and services in the network. c. create barriers to entry because a firm efficiently offers products that satisfy consumer preferences. d. create barriers to entry because if a firm can attract enough customers initially, it can attract additional customers as its product's value increases by more people using it, which attracts even more customers. e. createcreate barriers to entry because consumption of a firm's product decreasesdecreases the value of goods and services produced by other firms.

Expert computers was started in 2018. the company experienced the following accounting events during its first year of operation: started business when it acquired $40,000 cash from the issue of common stock. purchased merchandise with a list price of $32,000 on account, terms 2/10, n/30. paid off one-half of the accounts payable balance within the discount period. sold merchandise on account for $28,000. credit terms were 1/20, n/30. the merchandise had cost expert computers $16,000. collected cash from the account receivable within the discount period. paid $2,100 cash for operating expenses. paid the balance due on accounts payable. the payment was not made within the discount period. required record the events in a horizontal statements model below. in the cash flows column, use the letters oa to designate operating activity, ia for investing activity, fa for financing activity, or nc for net change in cash. if the account is not affected by the event, leave the cell blank. the first event is recorded as an example. what is the amount of gross margin for the period? what is the net income for the period?