You bought 10 shares of stock in StreamingVideoCo for $45 per share. Two months later you sold the 10 shares of stock for $80 per share. What was your profit or loss on StreamingVideoCo stock? (Assume that StreamingVideoCo didn't pay a dividend and that you didn't incur any trading fees during that period.)

Bcorporation, a merchandising company, reported the following results for october: sales $ 490,000 cost of goods sold (all variable) $ 169,700 total variable selling expense $ 24,200 total fixed selling expense $ 21,700 total variable administrative expense $ 13,200 total fixed administrative expense $ 33,600 the contribution margin for october is: