Which of the followings is a major disadvantage of naive and moving average models? a. these models are inexpensive to develop and operate. b. the performance of these models is better than that of sophisticated models, such as regression methods. c. possible causal relationships that underlie the forecasted variable are not considered. d. new information does not have to be updated on a rolling basis in these models.

Sweeten company had no jobs in progress at the beginning of march and no beginning inventories. the company has two manufacturing departments--molding and fabrication. it started, completed, and sold only two jobs during march—job p and job q. the following additional information is available for the company as a whole and for jobs p and q (all data and questions relate to the month of march): molding fabrication total estimated total machine-hours used 2,500 1,500 4,000 estimated total fixed manufacturing overhead $ 10,000 $ 15,000 $ 25,000 estimated variable manufacturing overhead per machine-hour $ 1.40 $ 2.20 job p job q direct materials $ 13,000 $ 8,000 direct labor cost $ 21,000 $ 7,500 actual machine-hours used: molding 1,700 800 fabrication 600 900 total 2,300 1,700 sweeten company had no underapplied or overapplied manufacturing overhead costs during the month. required: for questions 1-8, assume that sweeten company uses a plantwide predetermined overhead rate with machine-hours as the allocation base. for questions 9-15, assume that the company uses departmental predetermined overhead rates with machine-hours as the allocation base in both departments. 1. what was the company’s plantwide predetermined overhead rate? (round your answer to 2 decimal places.) next

Almeda products, inc., uses a job-order costing system. the company's inventory balances on april 1, the start of its fiscal year, were as follows:

On july 2, year 4, wynn, inc., purchased as a short-term investment a $1 million face-value kean co. 8% bond for $910,000 plus accrued interest to yield 10%. the bonds mature on january 1, year 11, and pay interest annually on january 1. on december 31, year 4, the bonds had a fair value of $945,000. on february 13, year 5, wynn sold the bonds for $920,000. in its december 31, year 4, balance sheet, what amount should wynn report for the bond if it is classified as an available-for-sale security?