The function C(x) models a manufacturer's cost of producing x screwdrivers per week. This function is graphed below. Total Cost of Weekly 5,000 Production 4,000 3,000 Total Cost (dollars) 2,000 1,000 0 100 200 300 400 500 600 700 800 Number of Screwdrivers Produced Which statements are true? Select all that apply. There is a fixed cost of $2000 per week. [For each additional 30 screwdrivers produced in a week, the total cost increases by $100.00 It always costs at least $4.500 a week to produce screwdrivers. The total cost of producing 400 screwdrivers a week is less than $4,000 Every screwdriver costs $200 to produce