Builtrite Furniture produced revenues of $2,500. It has COGS of $1100 and operating expenses (excluding depreciation) of $600, depreciation of $130, current assets of $210, wages payable of $30 and interest expense of $40. Its tax rate is 21 percent. What is the firm’s net income after taxes?

TRUE or FALSE ? In the Arena Call Center model discussed in class, each server specialized in one product type.

You write 5 MB to a 4x replicated file in HDFS, then later read it back. How much data will be read and written to disks across the cluster?

In Spark, .cache() is a convenience method that calls .persist(…) with what setting?

TRUE or FALSE ? The Arena Call Center model utilized different schedules for each of the servers.

For the Spark SQL query SELECT F, MAX(R) FROM mytable GROUP BY H, F; Over which column(s) will hash values be calculated for partitioning?

Builtrite Corporation has sales of $12,000,000, and a gross profit margin of 30 percent. What are Builtrite’s cost of goods sold?

Why do Type I methanotrophs generally have higher growth yields than Type II methanotrophs?

Dr. Simmons orders naproxen 500 mg bid x 30 days. In stock: Naprosyn 500 mg tabs. How many tablets are needed to fill the prescription?

A physician orders amoxicillin 500 mg tid x 10 days. How many 80-mL bottles of amoxicillin 250 mg/5 mL oral suspension are needed to fill this prescription?