Pastry Paradise is looking to expand. It decides to take over Sweet Tooth, a competitive firm. The two firms have similar technology but different costs. Pastry Paradise has $1500 fixed costs and $1 marginal cost per unit produced. Sweet Tooth has $500 fixed costs but $5 marginal cost per unit produced.

What is the total cost, at the level of production where Pastry Paradise is indifferent between which technology is used?

a.$1750

b.$1000

c.$1500

d.$2000