Given that the figure is a Rectangle and one angle measures x+23 and another angle measures 3y+18. Find the value of both x and y.

At the beginning of the month, alexa’s bank account contained $4329.97. she then made two deposits of $452.28 each and a withdrawal of $279.34. she then went to the store and bought the new iphone x for $1,015 plus 6% sales tax. how much money does she have in her account now?