Which (if any) of the following scenarios is the result of a natural monopoly? Instructions: You may select more than one answer.
a. Patent holders of genetically modified seeds are permitted to sue farmers who save seeds from one planting season to the next.
b. Doctors in the United States are prohibited from practicing without a medical license.
c. There is one train operator with service from Baltimore to Philadelphia.
d. Coal is used as the primary energy in a country with abundant coal deposits.

Sarah borrowed $16,500 on may 23 with interest due on september 3. if the interest rate is 9%, find the interest on the loan using exact interest and ordinary interest.

Required information problem 15-1a production costs computed and recorded; reports prepared lo c2, p1, p2, p3, p4 [the following information applies to the questions displayed below. marcelino co.'s march 31 inventory of raw materials is $84,000. raw materials purchases in april are $540,000, and factory payroll cost in april is $364,000. overhead costs incurred in april are: indirect materials, $59,000; indirect labor, $26,000; factory rent, $38,000; factory utilities, $19,000; and factory equipment depreciation, $58,000. the predetermined overhead rate is 50% of direct labor cost. job 306 is sold for $670,000 cash in april. costs of the three jobs worked on in april follow. job 306 job 307 job 308 balances on march 31 direct materials $30,000 $36,000 direct labor 25,000 14,000 applied overhead 12,500 7,000 costs during april direct materials 133,000 210,000 $100,000 direct labor 105,000 150,000 101,000 applied overhead ? ? ? status on april 30 finished (sold) finished in process (unsold) required: 1. determine the total of each production cost incurred for april (direct labor, direct materials, and applied overhead), and the total cost assigned to each job (including the balances from march 31). a-materials purchases (on credit). b-direct materials used in production. c-direct labor paid and assigned to work in process inventory. d-indirect labor paid and assigned to factory overhead. e-overhead costs applied to work in process inventory. f-actual overhead costs incurred, including indirect materials. (factory rent and utilities are paid in cash.) g-transfer of jobs 306 and 307 to finished goods inventory. h-cost of goods sold for job 306. i-revenue from the sale of job 306. j-assignment of any underapplied or overapplied overhead to the cost of goods sold account. (the amount is not material.) 2. prepare journal entries for the month of april to record the above transactions. 3. prepare a schedule of cost of goods manufactured. 4.1 compute gross profit for april. 4.2 show how to present the inventories on the april 30 balance sheet.

Laval produces lamps and home lighting fixtures. its most popular product is a brushed aluminum desk lamp. this lamp is made from components shaped in the fabricating department and assembled in the assembly department. information related to the 22,000 desk lamps produced annually follows. direct materials $280,000direct labor fabricating department (8,000 dlh × $24 per dlh) $192,000assembly department (16,600 dlh × $26 per dlh) $431,600machine hours fabricating department $15,200mhassembly department $20,850mhexpected overhead cost and related data for the two production departments follow. fabricating assemblydirect labor hours 150,000dlh 295,000dlhmachine hours 161,000mh 128,000mhoverhead cost $400,000 430,000required1. determine the plantwide overhead rate for laval using direct labor hours as a base.2. determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate.3. compute departmental overhead rates based on machine hours in the fabricating department and direct labor hours in the assembly department.4. use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps.