Answer:
This firm should hire less of C and more of D
Explanation:
Based on the information given we were told that the price of resource C is the amount of $90 while the price of resource D is the amount of $35 ,Therefore based on this it will be advisable for the firm to hire less of C and More of D because the price of resource is C is more higher than the price of resource D when compared, which means that the price of resource D is the best option or alternative for the firm to go for.