Pat's Catering finds that when it caters 20 meals a week, its total cost is $6,000. If Pat has total variable cost of $5,000, what is Pat's total fixed cost?

The Karaoke Channel Online streams professional-grade karaoke for $9.95 a month. Suppose Karaoke Channel Online has a constant marginal cost of $1 per customer and total fixed cost is $20,000. The profit maximizing number of customers is 10,000

Several competitors start to advertise online. Karaoke Channel Online now spends $5,000 a month on advertising and the profit maximizing number of customers increases to 12,000. What is Karaoke Channel Online's average total cost before the advertising begins? A) $3 B) $2 C) $1 D) $2.66

Suppose in 2000 . nominal GDP in Russia was 1000 rubles and it increased to 2000 rubles in 2001 . If we know that the base year is 2000 and the GDP deflator in 2001 is 100, then of the 1000 ruble increase in nominal GDP, ______ is an increase in real GDP

a. none or 0 rubles b. all, or 1000 rubles c. 500 rubles d. 2000 rubles e. 100 rubles