I'm having issues with adding the period on the end. I would appreciate some guidance in this, thank you.

When done developing your program, press the Submit for grading button below. This will submit your program for auto-grading. Coding trail of your work What is this? 10/12W0,0,0W0,0,0,0,0,0,0,0,0,0,0,0,00,0,0,00,0,0,0,0min:10 Latest submission - 12:41 AM CST on 12/21/22 Total score: 0/10 Only show failing tests Download this submission 1:Compare output 0/4 Output differs. See highlights below. Input \begin{tabular}{c|l} Your output & This house is $200000. The change is $10000 since last month. The estimated monthly mortgage is $850.0 \\ Expected output & This house is $200000. The change is $10000 since last month. The estimated monthly mortgage is $850.0. \end{tabular} 2.Compare output 0/3 Output differs. See highlights below. Input Your output This house is $350000. The change is $40000 since last month. The estimated monthly mortgage is $1487.5 ExpectedoutputTheestimatedmonthlymortgageis$1487.5.Thishouseis$350000.Thechangeis$40000sincelastmonth