No question at all just checking sum

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.

Which statement or statements are implied by equilibrium conditions of the loanable funds market? a firm borrowing in the loanable funds market invests those funds with a higher expected return than any firm that is not borrowing. investment projects which use borrowed funds are guaranteed to be profitable even after paying interest expenses. the quantity of savings is maximized, thus the quantity of investment is maximized. a loan is made at the minimum interest rate of all current borrowing.

Problem 8-6 cullumber company is a multi product firm. presented below is information concerning one of its products, the hawkeye. date transaction quantity price/cost 1/1 beginning inventory 2,700 $17 2/4 purchase 3,700 26 2/20 sale 4,200 43 4/2 purchase 4,700 33 11/4 sale 3,900 47 calculate average-cost per unit. (round answer to 4 decimal places, e.g. 2.7613.) average-cost per unit $ link to text compute cost of goods sold, assuming cullumber uses: (round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to 0 decimal places, e.g. 6,548.) cost of goods sold (a) periodic system, fifo cost flow $ (b) perpetual system, fifo cost flow $ (c) periodic system, lifo cost flow $ (d) perpetual system, lifo cost flow $ (e) periodic system, weighted-average cost flow $ (f) perpetual system, moving-average cost flow $ click if you would like to show work for this question: open show work