General buisness involves being active in the day-to-day what?

In its 2016 annual report, caterpillar inc. reported the following (in millions): 2016 2015 sales $38,537 $47,011 cost of goods sold 28,309 33,546 as a percentage of sales, did caterpillar's gross profit increase or decrease during 2016? select one: a. gross profit increased from 26.8% to 28.6% b. gross profit decreased from 28.6% to 26.5% c. gross profit increased from 71.4% to 73.2% d. gross profit decreased from 73.2% to 71.4% e. there is not enough information to answer the question.

Ming chen began a professional practice on june 1 and plans to prepare financial statements at the end of each month. during june, ming chen (the owner) completed these transactions. a. owner invested $61,000 cash in the company along with equipment that had a $25,000 market value. b. the company paid $1,900 cash for rent of office space for the month. c. the company purchased $15,000 of additional equipment on credit (payment due within 30 days). d. the company completed work for a client and immediately collected the $2,100 cash earned. e. the company completed work for a client and sent a bill for $7,000 to be received within 30 days. f. the company purchased additional equipment for $5,500 cash. g. the company paid an assistant $3,000 cash as wages for the month. h. the company collected $5,200 cash as a partial payment for the amount owed by the client in transaction e. i. the company paid $15,000 cash to settle the liability created in transaction c. j. owner withdrew $1,500 cash from the company for personal use. required: enter the impact of each transaction on individual items of the accounting equation. (enter decreases to account balances with a minus sign.)

What is a sort of auction for stocks in which traders verbally submit their offers?