Please help. Please provide answer and formula.

98 4. August 10-222 May 4-124 98 98 360 $15.000 .08 x -$32219 MV-$15,000 + S32219 = $15322.19 s s15.000 x 0s 0-$32667 MV-$15000 $32667- $15,326.67 LU 10-1a EXTRA PRACTICE QUIZ Need more practice? Tty this Calculate simple interest (round to the nearest cent): Extra Practice Quiz (check figures in Chapter Organizer. P 267) 1, $16,000 at 3% for 8 months SI 5.000 at 6% for 6 years 2. 3. 4. 1-5 S50.000 at 7% for 18 months On May 6 Dawn Kristal borrowed $20,000 at 7%. Dawn must pay the principal and interest on August 14. What are Dawn's simple interest and maturity value if you use the exact interest method? 5. What are Dawn Kristal's (Problem 4) simple interest and maturity value if you use the ordinary interest method? Learning Unit 10-2: Finding Unknown in Simple Interest Formula This unit begins with the formula used to calculate the principal of a loan. Then it explains how to find the principal, rate, and time of a simple interest loan In all the calculations we use 360 days and round only final answers. Finding the Principal EXAMPLE Tim Jarvis paid the bank $19-48 interest at 9.5S% for 90 days How much did Tim torrow using ordinary interest method The following tormula is used to calculate the principal of a loan $19 48