4. If the beginning inventory for the first quarter, second quarter, third quarter and fourth quarter is 1000,1200,1400,1500 respectively, then the beginning inventory for the year is A) 1000 B) 5100 C) 1500 D) None of the other answers 5. If the ending inventory for the first quarter, second quarter, third quarter and fourth quarter is 600,500,700,1000 respectively, then the ending inventory for the year is A) 2800 B) 600 C) 1000 D) None of the other answers 6. If the production quantity for the first quarter is 3000 units, the material per unit 3 kilos, and the price per kilo is $2, then the required quantity of material is A) 45,000 kilos B) 9,000 kilos C) 6,000 kilos D) None of the other answers