Which of the following is an expression of profit for a perfectly competitive firm? profit for a perfectly competitive firm can be expressed as;
(a) profitequals=(upper p times upper q )minus (tc times upper q )(p×q)−(tc×q), where p is price, q is output, and tc is total cost.
(b) profitequals=pminus−atc, where p is price and atc is average total cost.
(c) profitequals=ptimes×q, where p is price and q is output.
(d) profitequals=(upper p minus atc )times upper q(p−atc)×q, where p is price, q is output, and atc is average total cost.
(e) profitequals=pminus−mc, where p is price and mc is marginal cost.

Kiona co. set up a petty cash fund for payments of small amounts. the following transactions involving the petty cash fund occurred in may (the last month of the company's fiscal year). may 1 prepared a company check for $350 to establish the petty cash fund. 15 prepared a company check to replenish the fund for the following expenditures made since may 1. a. paid $109.20 for janitorial services. b. paid $89.15 for miscellaneous expenses. c. paid postage expenses of $60.90. d. paid $80.01 to the county gazette (the local newspaper) for an advertisement. e. counted $26.84 remaining in the petty cashbox. 16 prepared a company check for $200 to increase the fund to $550. 31 the petty cashier reports that $380.27 cash remains in the fund. a company check is drawn to replenish the fund for the following expenditures made since may 15. f. paid postage expenses of $59.10. g. reimbursed the office manager for business mileage, $47.05. h. paid $48.58 to deliver merchandise to a customer, terms fob destination. 31 the company decides that the may 16 increase in the fund was too large. it reduces the fund by $50, leaving a total of $500.

Many years ago, sprint telecommunications aired an advertisement intended to demonstrate the clarity of reception sprint customers could expect. the ad showed a rancher, who had used a different company, complaining that he had ordered 100 oxen from his supplier and instead received 100 dachshunds. the mix-up was probably due to the presence of in the communication process.

Anthony wants to start making periodic investments in aretirement account. he will make a yearly contribution of$3,000 at the beginning of each year. the account will pay7.2% interest, compounded monthly. how much will hisaccount be worth after 35 years? $369,600$10,560$112,560$490,928.71