which of the following statements is true in a variable costing system?

salesman commission and plant manager's salary are both period costs

salesman commission is a product cost and plant manager's salary is a period cost

salesman commission is a period cost and plant manager's salary is a product cost

salesman commission and plant manager's salary are both product cost

On Jan 1, 2020. Springer Ltd has an inventory of 5,000 futon beds. It estimates 18.000 units will be sold during the first quarter of 2020 with a 200 unit increase in sales each quarter for the next two years. For the year 2020, Springer's policy is to maintain an ending inventory equal to 25% of the next quarter sales. Each futon bed costs $190 and is sold for $250. How much is the budgeted sales revenue for the year and the ending inventory the year 2020?

1) 3534000 and 4500 units 2) 4700000 and 4650 units 3) 4650000 and 4700 units 4) 3572000 and 5000 units