q 1: p = $57,600, i = $1,152 and r = 2% then find time.
q 2: p = $21,900, i = $2,190 and r = 5% then find time.
q 3: p = $51,600, i = $7,740 and r = 5% then find time.
q 4: p = $77,600, i = $7,760 and r = 5% then find time.
q 5: p = $76,800, i = $6,912 and r = 3% then find time.
q 6: p = $12,700, i = $571.5 and r = 3% then find time.
q 7: p = $2,600, i = $390 and r = 5% then find time.
q 8: p = $217,600, i = $8,704 and r = 2% 