The price of a condominium is $102,000. the bank requires a 5% down payment and one payment and one point at the time of closing. the cost of the condominium is financed with a 30-year fixed-rate mortage at 8.5%? find the required down payment.

Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?