Please give me the ans of this question in 30mins

3. A consumer's utility function is given by U(x1, x2)=2x1x2+3x1 where x1 and x2 denote the number of items as two goods that are bought . Each item costs $1 for good and $2 for good 2. Use Lagrange multipliers to find the maximum value of utility if the consumer's income is $83. Estimate the new optimal utility if the consumer's income rises by$2. [10]