A screw of jack whose peak is 5mm is used to raise a vehicle of mass 1260kg through a height of 25cm the length of the jack is 50cm .if the efficiency is 75°© .find the velocity ratio , mechanical advantage of the jack and effort required ​

Aaron corporation, which has only one product, has provided the following data concerning its most recent month of operations: selling price $ 102 units in beginning inventory 0 units produced 4,900 units sold 4,260 units in ending inventory 640 variable costs per unit: direct materials $ 20 direct labor $ 41 variable manufacturing overhead $ 5 variable selling and administrative expense $ 4 fixed costs: fixed manufacturing overhead $ 64,200 fixed selling and administrative expense $ 2,900 the total contribution margin for the month under variable costing is:

*will mark brainliest! * when a company spends resources (labor, money) to give customers "free" items, those costs are called a. investment costs b. economic costs c. scarcity costs d. opportunity costs answer asap!

Using the smith's bbq report, the cost of wine for next week will increase by 2% from the current week. if all other cost of sales stays constant, what will be the approximate total cost of sales for next week?