Need details explanation and calculation

QUESTION 7 A rm uses two inputs x and y, and their profit function is P(x,y)=2xy-3x+y. Input x costs $2 each and y costs $3 each and they are constrained to spend a total of $100 on inputs. If the rm wants to maximise prot, they should use of input x, of input y. In addition, the shadow price will be Round your answer to two decimal places