M-Line is a company that prints and sells custom designs on T-shirts. For each order, they charge an initial design fee and then an additional fee for each printed T-shirt. M-Line charges M euros per order. This charge is modelled by the linear function Mx=5x+40, where x is the number of T-shirts in the order.
Write down the initial design fee charged for each order.
The initial design fee charged per order is 40

1b. [2 marks]
Find the total amount charged for an order of 94 T-shirts.