Why was stock bought on margin considered a risky investment?

a: investors purchased the stocks with little cash down; if the price dropped the investor had to repay the loan.
b: stocks purchased on margin were often for companies that had little or no value.
c: investors paid high interest rates to buy these stocks; they needed a substantial return to make money.
d: if the value of the stock declined, brokerages were responsible for the loss.

Xie company identified the following activities, costs, and activity drivers for 2017. the company manufactures two types of go-karts: deluxe and basic. activity expected costs expected activity handling materials $ 625,000 100,000 parts inspecting product 900,000 1,500 batches processing purchase orders 105,000 700 orders paying suppliers 175,000 500 invoices insuring the factory 300,000 40,000 square feet designing packaging 75,000 2 models required: 1. compute a single plantwide overhead rate, assuming that the company assigns overhead based on 125,000 budgeted direct labor hours. 2. in january 2017, the deluxe model required 2,500 direct labor hours and the basic model required 6,000 direct labor hours. assign overhead costs to each model using the single plantwide overhead rate.

What would happen to the equilibrium price and quantity of lattés if the cost to produce steamed milk

Which of these is an example of innovation?