For a school fundraiser, Elena will make T-shirts. She will order T-shirts and print graphics on them. Elena must spend $349 on a printing machine and $4.80 per shirt for the blank shirts, ink, and other supplies.

a. Complete the table giving the total cost Elena will spend to make each specific number of T-shirts.

number of shirts cost in dollars
20
40
60
b. Write an expression for the cost of making n T-shirts.

c. What is the maximum number of T-shirts Elena can make with a budget of $1,000?